Inspection of the Wing-to-Fuselage Fairings and the Belly-Fairing Access Panels for Missing Fasteners

TASK 53-35-00-200-002-A
Inspection of the Wing-to-Fuselage Fairings and the Belly-Fairing Access Panels for Missing Fasteners

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

ZONE: 190

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
190	BELLY FAIR, AIR CONDITIONING & HYD COMPT

C. Referenced Information

REFERENCE	DESIGNATION
Belly-Fairing Access Panels and Wing-to-Fuselage Fairings - Right Side ** ON A/C NOT FOR ALL
Belly-Fairing Access Panels and Wing-to-Fuselage Fairings - Left Side ** ON A/C NOT FOR ALL
Forward and Aft Fairings - 191BT/192BT and 191CT/192CT
Overwing Slide - 7504MM/7505MM ** ON A/C NOT FOR ALL
Aft Fairings and Wing-to-Fuselage Fairings - 193AB/194AB and 193BB/194BB ** ON A/C NOT FOR ALL
Belly-Fairing Access Panel - 191BB ** ON A/C NOT FOR ALL
Belly-Fairing Access Panel - 192FB ** ON A/C NOT FOR ALL
Belly-Fairing Access Panels - 191AB/192AB ** ON A/C NOT FOR ALL
Belly-Fairing Access Panels - 191LB/192LB ** ON A/C NOT FOR ALL
Belly-Fairing Access Panels - 191AT/192AT ** ON A/C NOT FOR ALL
Belly-Fairing Access Panels - 191DT/192DT ** ON A/C NOT FOR ALL
Belly-Fairing Access Panels - 191EB/192EB ** ON A/C NOT FOR ALL
Fairings - 191ET/192ET ** ON A/C NOT FOR ALL
Wing-to-Fuselage Fairings - 191KB/192KB ** ON A/C NOT FOR ALL
Aft Fairings - 197BB/198BB ** ON A/C NOT FOR ALL
Wing-to-Fuselage Fairings - 147CB ** ON A/C NOT FOR ALL
Wing-to-Fuselage Fairings - 147BB ** ON A/C NOT FOR ALL
Wing-to-Fuselage Fairings - 147FB/148FB ** ON A/C NOT FOR ALL
Wing-to-Fuselage Fairings - 148DB ** ON A/C NOT FOR ALL
Fairings - 197GB/198GB ** ON A/C NOT FOR ALL
Wing-to-Fuselage Fairings - 196AB ** ON A/C NOT FOR ALL
Fairings - 197AB ** ON A/C NOT FOR ALL
Fairings - 191GB ** ON A/C NOT FOR ALL
Fairings - 191HB ** ON A/C NOT FOR ALL
Wing-to-Fuselage Fairings - 191JB ** ON A/C NOT FOR ALL
Wing-to-Fuselage Fairings - 195AB ** ON A/C NOT FOR ALL
Wing-to-Fuselage Fairings - 147AB ** ON A/C NOT FOR ALL
Door Assembly - 195CB ** ON A/C NOT FOR ALL
Wing-to-Fuselage Fairings - 147EB ** ON A/C NOT FOR ALL
Belly-Fairing Access Panels and Wing-to-Fuselage Fairings - Right Side ** ON A/C NOT FOR ALL
Belly-Fairing Access Panels and Wing-to-Fuselage Fairings - Left Side ** ON A/C NOT FOR ALL
Fairings - 193AT/194AT ** ON A/C NOT FOR ALL
Fairings - 197KB/198KB ** ON A/C NOT FOR ALL
Belly-Fairing Access Panels and Wing-to-Fuselage Fairings - Right Side ** ON A/C NOT FOR ALL
Belly-Fairing Access Panels and Wing-to-Fuselage Fairings - Left Side ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 53-35-00-010-052-A

A. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position in the zone 190.

4. Procedure
Subtask 53-35-00-210-051-A ** ON A/C NOT FOR ALL

A. Inspection of the Wing-to-Fuselage Fairings and the Belly-Fairing Access Panels for Missing Fasteners

Belly-Fairing Access Panels and Wing-to-Fuselage Fairings - Right Side ** ON A/C NOT FOR ALL

Belly-Fairing Access Panels and Wing-to-Fuselage Fairings - Left Side ** ON A/C NOT FOR ALL

Forward and Aft Fairings - 191BT/192BT and 191CT/192CT ** ON A/C NOT FOR ALL

Overwing Slide - 7504MM/7505MM ** ON A/C NOT FOR ALL

Aft Fairings and Wing-to-Fuselage Fairings - 193AB/194AB and 193BB/194BB ** ON A/C NOT FOR ALL

Belly-Fairing Access Panel - 191BB ** ON A/C NOT FOR ALL

Belly-Fairing Access Panel - 192FB ** ON A/C NOT FOR ALL

Belly-Fairing Access Panels - 191AB/192AB ** ON A/C NOT FOR ALL

Belly-Fairing Access Panels - 191LB/192LB ** ON A/C NOT FOR ALL

Belly-Fairing Access Panels - 191AT/192AT ** ON A/C NOT FOR ALL

Belly-Fairing Access Panels - 191DT/192DT ** ON A/C NOT FOR ALL

Belly-Fairing Access Panels - 191EB/192EB ** ON A/C NOT FOR ALL

Fairings - 191ET/192ET ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 191KB/192KB ** ON A/C NOT FOR ALL

Aft Fairings - 197BB/198BB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 147CB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 147BB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 147FB/148FB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 148DB ** ON A/C NOT FOR ALL

Fairings - 197GB/198GB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 196AB ** ON A/C NOT FOR ALL

Fairings - 197AB ** ON A/C NOT FOR ALL

Fairings - 191GB ** ON A/C NOT FOR ALL

Fairings - 191HB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 191JB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 195AB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 147AB ** ON A/C NOT FOR ALL

Door Assembly - 195CB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 147EB ** ON A/C NOT FOR ALL

NOTE: The belly-fairing access panels are referred to, in this procedure, as "access panels". The doors that are installed on the access panels (to get access to the equipment quickly) are referred to as "service panels".

NOTE: The access panels with sealing profiles along their edges are used to make a smooth contour.

NOTE: The access panels with sealing profiles are:

147BB
147CB
147FB
148DB
148FB
191AB
191AT
191BT
191DT
191ET
192AB
192AT
192BT
192DT
192ET
195AB
195CB
196AB
197BB
197GB
198BB
198GB
7504MM
7505MM.

NOTE: Missing or damaged fasteners are not permitted on panel 198DB.

(1) Temporarily replace a missing fastener with a fastener from a different panel.
(2) Make sure that the replacement fastener has the same thread size and the same length as the missing one.
(3) Obey the conditions in the table that follows when you remove a fastener from a different panel.

Panel FIN	Belly Fairing Missing Fasteners Description
7504MM 7505MM	No missing fastener permitted.
193AB/194AB 193BB/194BB	No missing fastener permitted.
147EB	No missing fastener permitted.
191GB	No missing fastener permitted.
191BB	One missing fastener or screw is permitted for each edge only if it agrees with the condition that follows: - A minimum of two fasteners at the first fastener position is installed on all the corners of the panel (select a corner and count the fasteners).	Replace the permitted missing fasteners or screws until the end of a 30-flight cycle. Only for the forward edge: - Refer to SRM chapter 51 to install the high speed tape on the related position, plus two other positions for each side of the related fastener.
192FB	Missing fasteners are not permitted on the forward edge of the panel. One missing fastener is permitted on the remaining edges only if it agrees with the condition that follows: - A minimum of two fasteners at the first fastener position is installed on all the corners of the panel (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 30-flight cycle.
191AB/192AB 191LB/192LB 191AT/192AT	Missing fasteners are not permitted on the forward edge of each panel. Two missing fasteners are permitted on the remaining edges only if they agree with the condition that follows: - A minimum of four fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.
191DT/192DT	Missing fasteners are not permitted on the forward edge of each panel. One missing fastener at every fourth fastener position is permitted on the remaining edges only if it agrees with the condition that follows: - A minimum of four fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.
191EB/192EB	Missing fasteners are not permitted on the forward edge of each panel. One missing fastener at every fourth fastener position is permitted on the remaining edges only if it agrees with the condition that follows: - A minimum of two fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.
191KB/192KB	Missing fasteners are not permitted when they are installed in the service panels area. Missing fasteners on the edges: - A minimum of three fasteners installed between two missing fasteners - A maximum of two missing fasteners for each edge. Missing fasteners are not permitted in the corners. - A minimum of two fasteners must be installed on one edge of the corner (select a corner and count the fasteners) and a minimum of three fasteners must be installed on the other edge of the corner (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 30-flight cycle (visual inspection at every 10-flight cycle). Only for the forward edge: - Refer to SRM chapter 51 to install the high speed tape on the related position, plus two other positions for each side of the related fastener.
191ET/192ET 197BB/198BB 147CB/147BB 147FB/148FB 147AB/148DB 197GB/198GB 196AB/197AB 191HB/191JB 195AB/195CB	Missing fasteners are not permitted when they are installed in the service panels area. At panels without sealing profiles: One missing fastener at every fourth fastener position is permitted only if it agrees with the condition that follows: - A minimum of two fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners). At panels with sealing profiles: One missing fastener at every fourth fastener position is permitted only if it agrees with the condition that follows: - A minimum of four fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.
191BT/192BT 191CT/192CT	Missing fasteners are not permitted in the corners. Three missing fasteners are permitted when two fasteners are installed at each side of an empty hole. One missing fastener is permitted. Two missing fasteners are permitted when they are not adjacent to each other.	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.

Subtask 53-35-00-210-051-B ** ON A/C NOT FOR ALL

A. Inspection of the Wing-to-Fuselage Fairings and the Belly-Fairing Access Panels for Missing Fasteners

Belly-Fairing Access Panels and Wing-to-Fuselage Fairings - Right Side ** ON A/C NOT FOR ALL

Belly-Fairing Access Panels and Wing-to-Fuselage Fairings - Left Side ** ON A/C NOT FOR ALL

Forward and Aft Fairings - 191BT/192BT and 191CT/192CT ** ON A/C NOT FOR ALL

Aft Fairings and Wing-to-Fuselage Fairings - 193AB/194AB and 193BB/194BB ** ON A/C NOT FOR ALL

Belly-Fairing Access Panel - 191BB ** ON A/C NOT FOR ALL

Belly-Fairing Access Panel - 192FB ** ON A/C NOT FOR ALL

Belly-Fairing Access Panels - 191AB/192AB ** ON A/C NOT FOR ALL

Belly-Fairing Access Panels - 191LB/192LB ** ON A/C NOT FOR ALL

Belly-Fairing Access Panels - 191AT/192AT ** ON A/C NOT FOR ALL

Belly-Fairing Access Panels - 191DT/192DT ** ON A/C NOT FOR ALL

Belly-Fairing Access Panels - 191EB/192EB ** ON A/C NOT FOR ALL

Fairings - 191ET/192ET ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 191KB/192KB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 147CB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 147BB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 147FB/148FB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 148DB ** ON A/C NOT FOR ALL

Fairings - 197GB/198GB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 196AB ** ON A/C NOT FOR ALL

Fairings - 197AB ** ON A/C NOT FOR ALL

Fairings - 191GB ** ON A/C NOT FOR ALL

Fairings - 191HB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 191JB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 195AB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 147AB ** ON A/C NOT FOR ALL

Door Assembly - 195CB ** ON A/C NOT FOR ALL

Wing-to-Fuselage Fairings - 147EB ** ON A/C NOT FOR ALL

Fairings - 193AT/194AT ** ON A/C NOT FOR ALL

Fairings - 197KB/198KB ** ON A/C NOT FOR ALL

Panel FIN	Belly Fairing Missing Fasteners Description
193AB/194AB 193BB/194BB	No missing fastener permitted.
191BB	One missing fastener or screw is permitted for each edge only if it agrees with the condition that follows: - A minimum of two fasteners at the first fastener position is installed on all the corners of the panel (select a corner and count the fasteners).	Replace the permitted missing fasteners or screws until the end of a 30-flight cycle. Only for the forward edge: - Refer to SRM chapter 51 to install the high speed tape on the related position, plus two other positions for each side of the related fastener.
192FB	Missing fasteners are not permitted on the forward edge of the panel. One missing fastener is permitted on the remaining edges only if it agrees with the condition that follows: - A minimum of two fasteners at the first fastener position is installed on all the panel (select a count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 30-flight cycle.
191AB/191AT 191LB/192AB 192AT/192LB	Missing fasteners are not permitted on the forward edge of each panel. Two missing fasteners are permitted only if they agree with the condition that follows: - A minimum of four fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.
191DT/192DT	Missing fasteners are not permitted on the forward edge of each panel. One missing fastener at every fourth fastener position is permitted only if it agrees with the condition that follows: - A minimum of four fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.
191EB/192EB	Missing fasteners are not permitted on the forward edge of each panel. One missing fastener at every fourth fastener position is permitted only if it agrees with the condition that follows: - A minimum of two fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.
191KB/192KB	Missing fasteners are not permitted when they are installed in the service panels area. Missing fasteners on the edges: - A minimum of three fasteners installed between two missing fasteners - A maximum of two missing fasteners for each edge. Missing fasteners are not permitted in the corners. - A minimum of two fasteners must be installed on one edge of the corner (select a corner and count the fasteners) and a minimum of three fasteners must be installed on the other edge of the corner (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 30-flight cycle (visual inspection at every 10-flight cycle). Only for the forward edge: - Refer to SRM chapter 51 to install the high speed tape on the related position, plus two other positions for each side of the related fastener.
191ET/192ET 193AT/194AT 197KB/198KB 147CB/147BB 148FB/148DB 196AB/197AB 197GB/198GB 191GB/191HB 191JB/195AB 147AB/195CB 147EB/147FB	Missing fasteners are not permitted when they are installed in the service panels area. Missing fasteners are only permitted on a maximum of two sides on each panel. At panels without sealing profiles: One missing fastener at every fourth fastener position is permitted only if it agrees with the condition that follows: - A minimum of two fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners). At panels with sealing profiles: NOTE: The panels with sealing profiles refer to the access panels with the seal profile along their edges to make a smooth contour. One missing fastener at every fourth fastener position is permitted only if it agrees with the condition that follows: - A minimum of four fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.
191BT/192BT 191CT/192CT	Missing fasteners are not permitted in the corners. Three missing fasteners are permitted when two fasteners are installed at each side of an empty hole. One missing fastener is permitted. Two missing fasteners are permitted when they are not adjacent to each other.	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.

Subtask 53-35-00-210-051-C ** ON A/C NOT FOR ALL

A. Inspection of the Wing-to-Fuselage Fairings and the Belly-Fairing Access Panels for Missing Fasteners

Belly-Fairing Access Panels and Wing-to-Fuselage Fairings - Right Side ** ON A/C NOT FOR ALL

Belly-Fairing Access Panels and Wing-to-Fuselage Fairings - Left Side ** ON A/C NOT FOR ALL

Forward and Aft Fairings - 191BT/192BT and 191CT/192CT ** ON A/C NOT FOR ALL

NOTE: Missing or damaged fasteners are not permitted on panel 198DB.

Panel FIN	Belly Fairing Missing Fasteners Description
7504MM 7505MM	No missing fastener permitted.
193AB/194AB 193BB/194BB	No missing fastener permitted.
191BB	One missing fastener or screw is permitted for each edge only if it agrees with the condition that follows: - A minimum of two fasteners at the first fastener position is installed on all the corners of the panel (select a corner and count the fasteners).	Replace the permitted missing fasteners or screws until the end of a 30-flight cycle. Only for the forward edge: - Refer to SRM chapter 51 to install the high speed tape on the related position, plus two other positions for each side of the related fastener.
192FB	Missing fasteners are not permitted on the forward edge of the panel. One missing fastener is permitted on the remaining edges only if it agrees with the condition that follows: - A minimum of two fasteners at the first fastener position is installed on all the corners of the panel (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 30-flight cycle.
191AB/191AT 191LB/192AB 192AT/192LB	Missing fasteners are not permitted on the forward edge of each panel. Two missing fasteners are permitted only if they agree with the condition that follows: - A minimum of four fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.
191DT/192DT	Missing fasteners are not permitted on the forward edge of each panel. One missing fastener at every fourth fastener position is permitted only if it agrees with the condition that follows: - A minimum of four fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners).	Replace the missing fastener before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.
191EB/192EB	Missing fasteners are not permitted on the forward edge of each panel. One missing fastener at every fourth fastener position is permitted only if it agrees with the condition that follows: - A minimum of two fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners).	Replace the missing fastener before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.
191KB/192KB	Missing fasteners are not permitted when they are installed in the service panels area. Missing fasteners on the edges: - A minimum of three fasteners installed between two missing fasteners - A maximum of two missing fasteners for each edge. Missing fasteners are not permitted in the corners. - A minimum of two fasteners must be installed on one edge of the corner (select a corner and count the fasteners) and a minimum of three fasteners must be installed on the other edge of the corner (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 30-flight cycle (visual inspection at every 10-flight cycle). Only for the forward edge: - Refer to SRM chapter 51 to install the high speed tape on the related position, plus two other positions for each side of the related fastener.
191ET/192ET 197BB/198BB 147CB/147BB 148FB/148DB 197GB/826DR 196AB/198MB 191GB/191HB 191JB/195AB 147AB/195CB 147EB/147FB 197AB	Missing fasteners are not permitted when they are installed in the service panels area. Missing fasteners are only permitted on a maximum of two sides on each panel. At panels without sealing profiles: One missing fastener at every fourth fastener position is permitted only if it agrees with the condition that follows: - A minimum of two fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners). At panels with sealing profiles: NOTE: The panels with sealing profiles refer to the access panels with the seal profile along their edges to make a smooth contour. One missing fastener at every fourth fastener position is permitted only if it agrees with the condition that follows: - A minimum of four fasteners at the first fastener position is installed on all the corners of each panel (select a corner and count the fasteners).	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.
191BT/192BT 191CT/192CT	Missing fasteners are not permitted in the corners. Three missing fasteners are permitted when two fasteners are installed at each side of an empty hole. One missing fastener is permitted. Two missing fasteners are permitted when they are not adjacent to each other.	Replace the missing fasteners before the next flight. Replace the permitted missing fasteners until the end of a 10-flight cycle.

5. Close-up
Subtask 53-35-00-410-051-A

A. Close Access
(1) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(2) Remove the access platform(s).
(3) Make sure that the work area is clean and clear of tools and other items.

[Rev.10 from 2021] 2026.04.01 01:55:10 UTC