Repair of Minor Damage on Unclad Components

TASK 51-73-11-300-004-A
Repair of Minor Damage on Unclad Components

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

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	CLOTH-EMERY (GRADE 280)
No specific	1	CLOTH-EMERY (GRADE 400)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.10ABC1)	Surface Pretreatment-Light Alloys Chemical Conversion Yellow -
(Material No.14EEA1)	Polishing Paste-Aluminium Alloys - -
(Material No.14SBA1)	Textile-Lint free Cotton -
No specific	ROUNDED SCOTCH STONE

C. Referenced Information

REFERENCE	DESIGNATION
TASK 51-74-11-300-001-A	Repair of Corroded Areas
TASK 51-75-12-300-001-A	Repair of Major Paint Damage on Light Alloy and Composite Material

3. Job Set-up
Subtask 51-73-11-941-052-A

A. Get access to the area of the damage.

4. Procedure
Subtask 51-73-11-320-054-A

A. Repair of Minor Damage
(1) If necessary, remove any corrosion (Ref. AMM TASK 51-74-11-300-001).
(2) Measure the depth of the scratch.
(3) Refer to the ASRM 51-73-00 and the applicable ASRM-chapter 52 thru 57 for the permitted depth limits.
(4) Remove the paint from the area of the scratch with CLOTH-EMERY (GRADE 280) until you can see all of the scratch.
(5) Clean the repair area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(6) Remove the scratch with a ROUNDED SCOTCH STONE and water. Move the scotch stone along the scratch until the contour is smooth and rounded.
(7) Rub the roughened area with CLOTH-EMERY (GRADE 400). Rub along the length of the scratch until the surface is smooth.
(8) Clean the area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(9) Polish the bare metal with Polishing Paste-Aluminium Alloys - - (Material No.14EEA1) and a lint-free cloth:

NOTE: Rub the area in the direction of the scratch. Do not rub with a circular motion. Make sure you remove all the rough surface.

(10) Clean the area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a clean cloth.
(11) Apply Surface Pretreatment-Light Alloys Chemical Conversion Yellow - (Material No.10ABC1) to the metal surface.
(12) Apply the applicable surface protection (Ref. AMM TASK 51-75-12-300-001).

5. Close-up
Subtask 51-73-11-942-052-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 01:34:24 UTC