Detailed Inspection of FWD Passenger/Crew Door Cutout Lower Corners Internal Structure above Cabin Floor Level, at FR 16 and FR 20 from Stringer 22 to ....

TASK 53-11-00-220-006-A
Detailed Inspection of FWD Passenger/Crew Door Cutout Lower Corners Internal Structure above Cabin Floor Level, at FR 16 and FR 20 from Stringer 22 to ....

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

ZONE: 221
ZONE: 222

1. Reason for the Job
Refer to the MPD TASK: 531166-01
DETAILED INSPECTION OF FWD PASSENGER/CREW DOOR CUTOUT LOWER CORNERS INTERNAL STRUCTURE ABOVE CABIN FLOOR LEVEL, AT FR 16 AND FR 20 FROM STRINGER 22 TO STRINGER 23 AND AROUND GIRT BAR FITTINGS, LH/RH.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE
No specific	AR	PAPER - MASKING

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.05RDA1)	Adhesive Film Tape-Masking - -
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.12ADB1)	Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
221	FWD CAB UTILITY AREA
222	FWD CAB UTILITY AREA
831, 841

D. Referenced Information

REFERENCE	DESIGNATION
TASK 51-78-00-916-001-A	Application of Temporary Protection System (TPS)
TASK 52-10-00-010-001-A	Opening of the Passenger/Crew Door
TASK 52-10-00-410-001-A	Closing of the Passenger/Crew Door
TASK 52-11-31-000-003-A	Removal of the Girt Bar Fittings
TASK 52-11-31-000-005-A	Removal of the Girt-Bar Fitting Blanking-Plates and Drain Pans
TASK 52-11-31-400-003-A	Installation of the Girt Bar Fittings
TASK 52-11-31-400-005-A	Installation of the Girt-Bar Fitting Blanking-Plates and Drain Pans
SRM 51110001	(for corrective action)
SRM 51220001	(for corrective action)
FWD Door-Cutout Lower-Corners

3. Job Set-up
Subtask 53-11-00-010-104-A

A. Get Access
(1) Put an ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at zone 831 (841).
(2) Open the forward passenger/crew door 831 ( 841) (Ref. AMM TASK 52-10-00-010-001).

Subtask 53-11-00-020-070-A

B. Removal of the Component
(1) Remove the girt bar fittings at the forward passenger/crew doors (Ref. AMM TASK 52-11-31-000-003).
(2) Remove the girt-bar fitting blanking-plates (Ref. AMM TASK 52-11-31-000-005).
(3) Remove the following components (Ref. AMM TASK 52-11-31-000-005):
(a) The fitting assembly
(b) The plate assembly-nut
(c) The pan-drain.

Subtask 53-11-00-110-123-A

C. Preparation of the Inspection Area

FWD Door-Cutout Lower-Corners

(1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
(2) If it is not, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(3) If there is a Temporary Protection System (TPS) layer and if it does not let you do a satisfactory inspection, remove the TPS layer (Ref. AMM TASK 51-78-00-916-001).

4. Procedure
Subtask 53-11-00-220-091-A

A. Inspection

FWD Door-Cutout Lower-Corners

(1) Do a detailed inspection of the forward passenger/crew door-cutout lower-corners above the cabin floor level. This inspection is applicable at FR16 and FR20 from STGR22 to STGR23 and around the girt bar fittings, right and left sides.
(2) Make sure that there is no:
(a) Corrosion damage:

If you find corrosion damage, refer to the Structural Repair Manual SRM 51220001 for types, inspection, removal and corrosion protection.

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

If you find this type of damage, refer to the Structural Repair Manual SRM 51110001 for damage classification and corrective action.

Subtask 53-11-00-916-073-A

B. Application of the Temporary Protection System

CAUTION: DO NOT APPLY TEMPORARY PROTECTION ON THE OXYGEN SYSTEMS. MAKE SURE THAT THE TEMPORARY PROTECTION DOES NOT GET:

ON COMPOSITE PARTS, CONTROL CABLES, PULLEYS,TEFLON BEARINGS.
ON LUBRICATED SURFACES.
IN DRAIN VALVES OR OTHER ORIFICES.

TEMPORARY PROTECTION ON OR IN THESE PARTS CAN CAUSE DAMAGE.

CAUTION: DO NOT APPLY TEMPORARY PROTECTION SYSTEM (TPS) TYPE 3 ON THE MOVABLE COMPONENTS. USE ONLY TPS TYPE 1 GRADE 2. IF YOU DO NOT OBEY THIS INSTRUCTION, THE MECHANISMS WILL NOT OPERATE CORRECTLY.

(1) If there is a TPS layer, do a check of the condition of the TPS layer (Ref. AMM TASK 51-78-00-916-001).

NOTE: Airbus recommends that you always apply a new layer of TPS. This is to make sure that the TPS layer continues to give satisfactory corrosion protection. If, after the check, you think that the TPS layer is in the correct condition, you can apply a new layer as a spray on the existing layer.

(2) Apply PAPER - MASKING or Adhesive Film Tape-Masking - - (Material No.05RDA1) on the equipment and fittings adjacent to the area.
(3) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the inspection area (Ref. AMM TASK 51-78-00-916-001).
(4) If, before the inspection, there was:

Removal of the TPS layer or
Cleaning of the inspection area with high-pressure water, steam, solvents and/or cleaning agents

Apply a full new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the inspection area (Ref. AMM TASK 51-78-00-916-001).
(5) Remove the PAPER - MASKING or the Adhesive Film Tape-Masking - - (Material No.05RDA1) .

5. Close-up
Subtask 53-11-00-420-067-A

A. Installation of the Component
(1) Install the following components (Ref. AMM TASK 52-11-31-400-005):
(a) The pan-drain
(b) The plate assembly-nut
(c) The fitting assembly.
(2) Install the girt-bar fitting blanking-plates (Ref. AMM TASK 52-11-31-400-005).
(3) Install the girt bar fittings at the forward passenger/crew doors (Ref. AMM TASK 52-11-31-400-003).

Subtask 53-11-00-410-104-A

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the forward passenger/crew door 831 ( 841) (Ref. AMM TASK 52-10-00-410-001).
(3) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.02 06:28:44 UTC