Detailed Inspection of Lateral Left Avionics Compartment Access Door, Internal Structure

TASK 52-41-12-200-001-A
Detailed Inspection of Lateral Left Avionics Compartment Access Door, Internal Structure

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

ZONE: 812

1. Reason for the Job
Refer to the MPD TASK: 524141-01
DETAILED INSPECTION OF LATERAL LEFT AVIONICS COMPARTMENT ACCESS DOOR, INTERNAL STRUCTURE
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.05RDA1)	Adhesive Film Tape-Masking - -
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.12ABB1)	Corrosion Preventive Compound-Water Displacing Hard Film -
(Material No.12ABC1)	Corrosion Preventive Compound_Water Displacing Soft Film -
(Material No.14SBA1)	Textile-Lint free Cotton -
No specific	masking paper

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
812	LATERAL AVIONICS COMPARTMENT DOOR (LEFT)
812

D. Referenced Information

REFERENCE	DESIGNATION
TASK 51-78-00-916-001-A	Application of Temporary Protection System (TPS)
TASK 52-41-00-010-002-A	Open the Avionics Compartment Doors for Access
TASK 52-41-00-410-002-A	Close the Avionics Compartment Doors after Access
SRM 51110001	(for corrective action)
SRM 51220001	(for corrective action)
Lateral Left Avionics-Compartment Access Door - Internal Structure

3. Job Set-up
Subtask 52-41-12-010-051-A

A. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at zone 812.
(2) Open the lateral left avionics-compartment door 812 (Ref. AMM TASK 52-41-00-010-002).

Subtask 52-41-12-865-053-A

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
121VU	EIS/SDAC1 AND 2/DOOR/DET/AVNCS	46WV	P02

Subtask 52-41-12-110-050-A

C. Prepare the Inspection Area
(1) Make sure that the inspection area is clean to do a satisfactory inspection of the area.
(2) If the inspection area is not clean, clean it with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(3) If you cannot do a satisfactory inspection because of the TPS layer, remove the TPS layer (Ref. AMM TASK 51-78-00-916-001).

4. Procedure
Subtask 52-41-12-220-050-A

A. Inspection

Lateral Left Avionics-Compartment Access Door - Internal Structure

(1) Do a detailed inspection of the internal structure of the lateral left avionics-compartment access door 812.
(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 of corrosion, inspection, removal and corrosion protection.

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

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

Subtask 52-41-12-916-051-A

B. Temporary Protection System
(1) Apply masking paper or masking tape Adhesive Film Tape-Masking - - (Material No.05RDA1) on the items adjacent to the area : the seals, bellows, door mechanisms, proximity switches and fittings.
(2) If there is a TPS layer, make sure that it is in the correct condition (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 spray a new layer on the existing layer.

(3) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound_Water Displacing Soft Film - (Material No.12ABC1) or Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) on the inspection area (Ref. AMM TASK 51-78-00-916-001).
(4) Apply a full new layer of Corrosion Preventive Compound_Water Displacing Soft Film - (Material No.12ABC1) or Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) on the inspection area (Ref. AMM TASK 51-78-00-916-001) if, before the inspection:

You removed the TPS layer, or
You cleaned the inspection area with high-pressure water, steam, solvents and/or cleaning agents.

(5) Remove the masking paper or the masking tape.

5. Close-up
Subtask 52-41-12-865-054-A

A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
121VU	EIS/SDAC1 AND 2/DOOR/DET/AVNCS	46WV	P02

Subtask 52-41-12-410-052-A

B. Close Access
(1) Close the lateral left avionics-compartment door 812 (Ref. AMM TASK 52-41-00-410-002).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.02 06:28:14 UTC