Local Repair of the Fuel Tank Sealant

TASK 51-76-12-300-001-A
Local Repair of the Fuel Tank Sealant

1. Reason for the Job
General repair of fuel leaks.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	SCRAPER - NON METALLIC

B. Consumable Materials

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

C. Referenced Information

REFERENCE	DESIGNATION
TASK 12-11-28-650-001-A	General Refuel/Defuel Safety Procedures
TASK 28-00-00-910-001-A	Fuel Safety Procedures
TASK 28-10-00-910-001-A	Safety Procedures When You Do Work in a Fuel Tank
TASK 28-10-00-910-002-A	Access to the Fuel Tanks and the Work Areas
SRM 517612

3. Job Set-up
Subtask 51-76-12-941-050-A

A. Obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001), (Ref. AMM TASK 28-10-00-910-001) and (Ref. AMM TASK 28-10-00-910-002).

Subtask 51-76-12-650-050-A

B. Defuel the aircraft. (Ref. AMM TASK 12-11-28-650-001)

Subtask 51-76-12-010-050-A

C. Get access to the fuel leak area.

4. Procedure
Subtask 51-76-12-160-050-A

A. Preparation for the Repair

CAUTION: DO NOT USE A METAL SCRAPER TO REMOVE THE UNWANTED MATERIAL. A METAL SCRAPER CAN CAUSE DAMAGE TO THE SURFACE OF THE COMPONENT.

(1) Remove the sealant from around the leak point area for a minimum distance of 75 mm (2.9528 in.) with a SCRAPER - NON METALLIC.
(2) Chamfer the edges of the sealant that is not damaged.
(3) Clean the repair area with the Non Aqueous Cleaner-General - - (Material No.08BAA9) and a clean lint free-cloth Textile-Lint free Cotton - (Material No.14SBA1) .

Subtask 51-76-12-914-050-A

B. Repair
(1) Do the local repair of the fuel tank sealant SRM 517612.

Subtask 51-76-12-650-051-A

C. Refuel the aircraft (Ref. AMM TASK 12-11-28-650-001).

Subtask 51-76-12-790-050-A

D. Examine the repair area for leaks.

NOTE: Leaks are not permitted.

(1) If there are leaks, refer to SRM 51-76-12, P. Block 1, for corrective action.

5. Close-up
Subtask 51-76-12-942-050-A

A. Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.01 01:34:46 UTC