General Visual Inspection of Fuselage Internal Structure, from FR 1 to FR 24, above Cabin Floor Level, Excluding Structure from FR 12 to FR 14 Under..

TASK 53-11-00-210-814-A
General Visual Inspection of Fuselage Internal Structure, from FR 1 to FR 24, above Cabin Floor Level, Excluding Structure from FR 12 to FR 14 Under..

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 211
ZONE: 212
ZONE: 221
ZONE: 222
ZONE: 223
ZONE: 224
ZONE: 231
ZONE: 232
ZONE: 233
ZONE: 234

1. Reason for the Job
Refer to the MPD TASK: 531185-01
GENERAL VISUAL INSPECTION OF FUSELAGE INTERNAL STRUCTURE, FROM FR 1 TO FR 24, ABOVE CABIN FLOOR LEVEL, EXCLUDING STRUCTURE FROM FR 12 TO FR 14 UNDER HEAT EXCHANGER PANELS.

NOTE: The effectivity of this task is "ALL". To know if this task is applicable to your aircraft, refer to the MPD task applicability and the weight variant data given in the SRM introduction.

2. Job Set-up Information
A. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
211	COCKPIT
212	COCKPIT
221	FWD CAB UTILITY AREA
222	FWD CAB UTILITY AREA
223	FWD CAB OVERHEAD COMPARTMENT
224	FWD CAB OVERHEAD COMPARTMENT
231	FWD PASSENGER COMPARTMENT
232	FWD PASSENGER COMPARTMENT
233	FWD PASSENGER COMPT OVERHEAD COMPARTMENT
234	FWD PASSENGER COMPT OVERHEAD COMPARTMENT

C. Referenced Information

REFERENCE	DESIGNATION
TASK 21-20-00-010-001-A	Removal of the Air-Conditioning Distribution Ducts
TASK 21-20-00-410-001-A	Installation of the Air-Conditioning Distribution Ducts
TASK 25-23-41-000-001-A	Removal of the Ceiling Panels
TASK 25-23-41-400-001-A	Installation of the Ceiling Panels
TASK 25-23-42-000-001-A	Removal of the Ceiling Panels - Forward Utility Area
TASK 25-23-42-400-001-A	Installation of the Ceiling Panels - Forward Utility Area
TASK 25-23-43-000-001-A	Removal of the Upper Sidewall Panel(s)
TASK 25-23-43-400-001-A	Installation of the Upper Sidewall Panel(s)
TASK 25-23-44-000-001-A	Removal of the Lower Sidewall Panels (Dado Panels)
TASK 25-23-44-400-001-A	Installation of the Lower Sidewall Panels (Dado Panels)
TASK 25-23-45-000-002-A	Removal of the Door Frame Linings from the Right Forward Passenger/Crew Door
TASK 25-23-45-000-005-A	Removal of the Door Frame Linings from the Left Forward Passenger/Crew Door
TASK 25-23-45-400-006-A	Installation of the Door Frame Linings on the Left Forward Passenger/Crew Door
TASK 25-23-45-400-007-A	Installation of the Door Frame Linings on the Right Forward Passenger/Crew Door
TASK 25-80-00-000-001-A	Removal of the Insulation Blankets
TASK 25-80-00-400-001-A	Installation of the Insulation Blankets
SRM 511100	(for corrective action)
SRM 512200	(for corrective action)
TASK 25-31-00-00	FORWARD GALLEY - DESCRIPTION AND OPERATION
TASK 25-41-00-00	FORWARD LAVATORIES - DESCRIPTION AND OPERATION
Fuselage Internal Structure from FR1 to FR24, above Cabin Floor Level, Excluding Structure from FR12 to FR14 Under Heat Exchanger Panels

3. Job Set-up
Subtask 53-11-00-010-101-A

A. Get Access
(1) Remove the galleys and lavatories, if installed.
To do this, refer to the para. Component Location in the applicable ATA 25 Description/Operation: for the galleys (Ref. AMM D/O 25-31-00-00), for the lavatories (Ref. AMM D/O 25-41-00-00). In this paragraph, you will find the cross-references of the removal/installation tasks.
(2) Remove the necessary linings panels around the frame of passenger/crew door to get access to the inspection areas (Ref. AMM TASK 25-23-45-000-002) (Ref. AMM TASK 25-23-45-000-005).
(3) Remove the applicable air conditioning ducts as necessary to get access to the inspection areas (Ref. AMM TASK 21-20-00-010-001).
(4) Remove the necessary ceiling panels to get access to the inspection areas (Ref. AMM TASK 25-23-41-000-001) (Ref. AMM TASK 25-23-42-000-001).
(5) Remove the necessary upper sidewall panels between FR 20 and FR 24 to get access to the inspection areas (Ref. AMM TASK 25-23-43-000-001).
(6) Remove the necessary lower sidewall panels between FR 20 and FR 24 to get access to the inspection areas (Ref. AMM TASK 25-23-44-000-001).
(7) Remove the necessary insulation blankets to get access to the inspection areas (Ref. AMM TASK 25-80-00-000-001).

Subtask 53-11-00-110-120-A

B. Cleaning of the Structure
(1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
(2) If it is not sufficiently clean, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and Textile-Lint free Cotton - (Material No.14SBA1) , if necessary.

4. Procedure
Subtask 53-11-00-210-094-A

A. Inspection

Fuselage Internal Structure from FR1 to FR24, above Cabin Floor Level, Excluding Structure from FR12 to FR14 Under Heat Exchanger Panels

(1) Do a general visual inspection of the fuselage internal structure above the cabin floor level between FR1 and FR24. The inspection area does not include the structure below the heat exchanger panels between FR 12 and FR 14.
(2) Make sure that there is no:
(a) Corrosion damage:

If you find corrosion damage, refer to Structural Repair Manual SRM 512200 for types of corrosion, inspection, removal and corrosion protection.

(b) Other damage (scratches, cracks, gouges, dents, creases):

If you find this type of damage, refer to Structural Repair Manual SRM 511100 for damage classification and related corrective action.

5. Close-up
Subtask 53-11-00-410-101-A

A. Close Access
(1) Install the insulation blankets (Ref. AMM TASK 25-80-00-400-001).
(2) Install the lower sidewall panels between FR 20 and FR 24 (Ref. AMM TASK 25-23-44-400-001).
(3) Install the upper sidewall panels between FR 20 and FR 24 (Ref. AMM TASK 25-23-43-400-001).
(4) Install the ceiling panels (Ref. AMM TASK 25-23-41-400-001) (Ref. AMM TASK 25-23-42-400-001).
(5) Install the air conditioning ducts (Ref. AMM TASK 21-20-00-410-001).
(6) Install the lining panels around the frame of the passenger/crew door (Ref. AMM TASK 25-23-45-400-006) (Ref. AMM TASK 25-23-45-400-007).
(7) Install the galleys and lavatories, if removed.
To do this, refer to the para. Component Location in the applicable ATA 25 Description/Operation: for the galleys (Ref. AMM D/O 25-31-00-00), for the lavatories (Ref. AMM D/O 25-41-00-00). In this paragraph, you will find the cross-references of the removal/installation tasks.

[Rev.9 from 2019] 2026.04.02 06:28:47 UTC