Detailed Visual Inspection of Fuselage Internal Structure, Below Cabin Floor Panels Including Floor Structure from FR65 to FR70

TASK 53-41-00-210-030-A
Detailed Visual Inspection of Fuselage Internal Structure, Below Cabin Floor Panels Including Floor Structure from FR65 to FR70

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

ZONE: 171
ZONE: 172

1. Reason for the Job
Refer to the MPD TASK: 534144-01
DETAILED INSPECTION OF FUSELAGE INTERNAL STRUCTURE, BELOW CABIN FLOOR PANELS INCLUDING FLOOR STRUCTURE, FROM FR 65 TO FR 70
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. Consumable Materials

REFERENCE	DESIGNATION
(Material No.05RDA1)	Adhesive Film Tape-Masking - -
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
171	AFT CABIN U/FLOOR COMPARTMENT
172	AFT CABIN U/FLOOR COMPARTMENT
161DW, 162DW

D. Referenced Information

REFERENCE	DESIGNATION
TASK 25-55-12-000-001-A	Removal of the Aft Cargo-Compartment Partition at FR65
TASK 25-55-12-400-001-A	Installation of the Aft Cargo-Compartment Partition at FR65
TASK 25-80-00-000-001-A	Removal of the Insulation Blankets
TASK 25-80-00-400-001-A	Installation of the Insulation Blankets
TASK 51-78-00-916-001-A	Application of Temporary Protection System (TPS)
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-002-A	Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-003-A	Open the FWD or Aft Cargo-Compartment Door with the Hand Pump
TASK 52-30-00-860-004-A	Close the FWD or Aft Cargo-Compartment Door with the Hand Pump
SRM 53410000	(for corrective action)
SRM 53411102	(for corrective action)
Fuselage Internal Structure and the Floor Structure between FR65 thru FR70

3. Job Set-up
Subtask 53-41-00-010-106-A

A. Get Access
(1) Open the AFT cargo-compartment door (Ref. AMM TASK 52-30-00-860-001) or (Ref. AMM TASK 52-30-00-860-003).
(2) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE below the AFT cargo-compartment door.
(3) Remove the partition access panels 161DW 162DW at FR65 (Ref. AMM TASK 25-55-12-000-001).
(4) Remove the thermal and acoustical insulation blankets (Ref. AMM TASK 25-80-00-000-001) and identify the blankets for installation.

NOTE: When it is not easy to remove the insulation blankets between STGR 24 and STGR 26, you can lift the blankets for access. You can lift the blankets for access only when it lets you make a full visual inspection of the area.

Subtask 53-41-00-110-115-A

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

4. Procedure
Subtask 53-41-00-210-089-A

A. Inspection
(1) Examine the fuselage internal structure below the cabin floor panels together with the floor structure from FR65 thru FR70 for:

corrosion,
cracks.

NOTE: If necessary, refer to the ASRM SRM 53410000 for the correct repair procedure.

NOTE: If you find corrosion in the area of the AFT lavatory ventilation outlet between FR69 and FR70, STGR30 RH thru STGR33 RH:

Refer to the ASRM SRM 53411102 for the correct repair procedure.

Subtask 53-41-00-916-057-A

B. Application of Temporary Protection System

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

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.

(1) Apply masking paper or masking tape Adhesive Film Tape-Masking - - (Material No.05RDA1) on the equipment and fittings adjacent to the area.
(2) If there is a TPS layer, do a check of the condition and integrity 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. Make sure that the TPS layer is in the correct condition after the check. If the TPS is in the correct condition, apply a new layer as a spray on the remaining layer.

(3) Replace the damaged TPS layer with a new layer of TPS on the inspection area, as recommended in the MPD (Ref. AMM TASK 51-78-00-916-001).
(4) If you used solvents, high-pressure water, steam and/or cleaning agents to clean the TPS layer:
(a) Apply a full new layer of TPS on the inspection area, as recommended in the MPD (Ref. AMM TASK 51-78-00-916-001).
(b) If there is no TPS layer, apply a new layer of TPS on the inspection area, as recommended in the MPD (Ref. AMM TASK 51-78-00-916-001).
(5) Remove the masking paper or the masking tape.

5. Close-up
Subtask 53-41-00-410-107-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the thermal and acoustical insulation blankets (Ref. AMM TASK 25-80-00-400-001).
(3) Install the partition access panels 161DW 162DW at FR65 (Ref. AMM TASK 25-55-12-400-001).
(4) Remove the access platform(s).
(5) Close the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-002) or (Ref. AMM TASK 52-30-00-860-004).
(6) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.02 06:29:16 UTC