Repair of the Splitter Fairing - VRS1813 [IAE]

TASK 72-32-93-300-010-A
Repair of the Splitter Fairing - VRS1813

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	AR	ABRASIVE WHEEL
No specific	AR	ACCESS PLATFORM 1M(3 FT)
No specific	AR	MACHINE - GRINDING, PORTABLE
No specific	AR	MAT - WORK
No specific	AR	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V01-031)	Acetone, Technical grade
(Material No.V01-124)	Isopropyl Alcohol, Technical grade
(Material No.V01-275)	chromate conversion coating
(Material No.V05-019)	Waterproof silicon carbide abrasive paper
(Material No.V05-020)	waterproof silicon carbide
(Material No.V05-021)	Waterproof silicon carbide abrasive paper
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Referenced Information

REFERENCE	DESIGNATION
TASK 70-23-05-230-010-A	Local Application of Fluorescent Penetrant Inspection
TASK 72-32-93-200-010-A	Inspection of the Splitter Fairing
TASK 72-32-93-300-011-A	Repair of the Splitter Fairing - VRS1814
Splitter Fairing

3. Job Set-up
Subtask 72-32-93-941-052-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).

Subtask 72-32-93-941-053-A ** ON A/C NOT FOR ALL

B. Put the support equipment in position.
(1) Put the ACCESS PLATFORM 1M(3 FT) in position
(2) Put the MAT - WORK in position in the air intake cowl.

NOTE: Make sure that the red warning pennants of the workmat can be seen externally. Make sure that the workmat has sufficient dimensions to give full protection to the lower half of the air intake cowl surface.

4. Procedure
Subtask 72-32-93-320-050-A ** ON A/C NOT FOR ALL

A. Remove nicks and/or damage from the splitter fairing
(1) Use the MACHINE - GRINDING, PORTABLE and ABRASIVE WHEEL, or fine files, to remove nicks and/or damage from the splitter fairing.
(2) Use the Waterproof silicon carbide abrasive paper (Material No.V05-019) , waterproof silicon carbide (Material No.V05-020) and Waterproof silicon carbide abrasive paper (Material No.V05-021) to blend and polish out the dressed area on the splitter fairing.

NOTE: The surface finish of the repair must be the same as the adjacent undressed area.

Subtask 72-32-93-210-051-A ** ON A/C NOT FOR ALL

B. Visually examine the repaired area of splitter fairing (Ref. AMM TASK 72-32-93-200-010).

Subtask 72-32-93-230-050-A ** ON A/C NOT FOR ALL

C. Do a penetrant crack test of the repaired area of splitter fairing (Ref. AMM TASK 70-23-05-230-010).

Subtask 72-32-93-320-051-A ** ON A/C NOT FOR ALL

D. Rub the damage
(1) Rub the damaged area with the waterproof silicon carbide (Material No.V05-020) or Waterproof silicon carbide abrasive paper (Material No.V05-021) until the damaged area is smooth to the adjacent surface

Subtask 72-32-93-110-050-A ** ON A/C NOT FOR ALL

E. Clean the repair of the splitter fairing.
(1) Clean the repaired area with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with V01-031Acetone, Technical grade or V01-124Isopropyl Alcohol, Technical grade.

Subtask 72-32-93-370-050-A ** ON A/C NOT FOR ALL

F. Apply chromate conversion coating (Material No.V01-275) to the repaired area of splitter fairing (Ref. AMM TASK 72-32-93-300-011).

Subtask 72-32-93-370-051-A ** ON A/C NOT FOR ALL

G. Apply the finish to the repaired area of splitter fairing (Ref. AMM TASK 72-32-93-300-011).

Subtask 72-32-93-210-052-A ** ON A/C NOT FOR ALL

H. Examine the coating surface of the splitter fairing.

5. Close-up
Subtask 72-32-93-942-051-A ** ON A/C NOT FOR ALL

A. Remove the support equipment
(1) Remove the workmat from the air intake cowl.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:46:03 UTC