General Visual Inspection of Center Tank FWD Cargo Bay Insulation Blankets (SFAR88)

TASK 28-18-52-210-001-A
General Visual Inspection of Center Tank FWD Cargo Bay Insulation Blankets (SFAR88)

ZONE: 137
ZONE: 138

1. Reason for the Job
Refer to the MPD TASK: 281800-05
GENERAL VISUAL INSPECTION OF CENTER TANK FWD CARGO BAY INSULATION BLANKETS (SFAR88).
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	1	LIGHT SOURCE - INSPECTION
No specific	1	MIRROR - INSPECTION

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
137	BAY BETW AFT PART. BULKHEAD OF FWD CARGO
138	BAY BETW AFT PART. BULKHEAD OF FWD CARGO
131NW, 131PW, 132PW, 825

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 25-54-12-000-001-A	Removal of the Forward Cargo-Compartment Partition
TASK 25-54-12-400-001-A	Installation of the Forward Cargo-Compartment Partition
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
Inspection Area of the FWD Cargo Bay ** ON A/C NOT FOR ALL
Inspection Area of the FWD Cargo Bay ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 28-18-52-861-050-A

A. Aircraft Maintenance Configuration
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 28-18-52-010-050-A

B. Get access to the FWD Cargo Compartment
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at access door 825.
(2) Open FWD cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001).

Subtask 28-18-52-020-050-A ** ON A/C NOT FOR ALL

C. Removal of the FWD Cargo-Compartment Partition
(1) Remove the partition panels 131NW, 131PW and 132PW in the FWD cargo-compartment partition-panels at FR34 (Ref. AMM TASK 25-54-12-000-001).

Subtask 28-18-52-020-050-B ** ON A/C NOT FOR ALL

C. Removal of the FWD Cargo-Compartment Partition
(1) Remove the partition panels 131NW, 131PW and 132PW in the FWD cargo-compartment partition-panels at FR35.5 (Ref. AMM TASK 25-54-12-000-001).

4. Procedure
Subtask 28-18-52-210-050-A

A. General Visual Inspection of Center Tank FWD Cargo Bay Insulation Blankets (SFAR88)

Inspection Area of the FWD Cargo Bay ** ON A/C NOT FOR ALL

(1) Do a general visual inspection of the insulation blankets of the center-tank front-spar forward-cargo-bay:

NOTE: A MIRROR - INSPECTION and a sufficient LIGHT SOURCE - INSPECTION are necessary for this inspection.

NOTE: It is not necessary to remove other items of equipment/components from the FWD cargo bay.

(a) Make sure that there are no signs of fuel leaks and damage on the insulation blankets.

5. Close-up
Subtask 28-18-52-420-050-A ** ON A/C NOT FOR ALL

A. Installation of the FWD Cargo-Compartment Partition
(1) Install the partition panels 131NW, 131PW and 132PW in the FWD cargo-compartment partition-panels at FR34 (Ref. AMM TASK 25-54-12-400-001).

Subtask 28-18-52-420-050-B ** ON A/C NOT FOR ALL

A. Installation of the FWD Cargo-Compartment Partition
(1) Install the partition panels 131NW, 131PW and 132PW in the FWD cargo-compartment partition-panels at FR35.5 (Ref. AMM TASK 25-54-12-400-001).

Subtask 28-18-52-410-050-A

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close FWD cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002).
(3) Remove the access platform(s).

Subtask 28-18-52-862-050-A

C. Aircraft Maintenance Configuration
(1) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.04.02 06:17:20 UTC