Fill Repair the Space between the Leading Edge Sheath and the Ground Tab on the Fan Blade Assembly [PW11]

TASK 72-11-03-320-803-A
Fill Repair the Space between the Leading Edge Sheath and the Ground Tab on the Fan Blade Assembly

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.

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

1. Reason for the Job
Use this procedure to remove and replace the epoxy paste between the leading edge sheath and the ground tab of the fan blade assembly.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	KNIFE- RAZOR
No specific	1	MAT - PROTECTIVE
No specific	1	SCRAPER - PLASTIC
No specific	1	TWEEZER

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.P05-038)	cheesecloth - bleached, new, woven, unsized
(Material No.P08-025)	adhesive paste, epoxy, thixotropic
(Material No.P11-065)	Acetone

C. Referenced Information

REFERENCE	DESIGNATION
TASK 70-27-00-910-804-A	SPOP 208 - Degreasing of Parts by Solvent Wiping
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
Fan Blade - Add Material

3. Job Set-up
Subtask 72-11-03-941-060-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833)

4. Procedure
Subtask 72-11-03-320-051-A ** ON A/C NOT FOR ALL

A. Fill repair the space between the leading edge sheath and the ground tab on the fan blade assembly.

WARNING: USE PROTECTIVE GLOVES TO PREVENT POSSIBLE INJURY TO THE HANDS WHEN YOU TOUCH OR HOLD THE FAN BLADES. THE BLADE EDGES ARE SHARP AND CAN CUT THE HANDS.

CAUTION: WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.

(1) Put a MAT - PROTECTIVE in the engine intake cowl and fan case.

Fan Blade - Add Material ** ON A/C NOT FOR ALL

(2) Remove loose or unbonded epoxy from the space between the leading edge sheath and the ground tab with TWEEZER, KNIFE- RAZOR or SCRAPER - PLASTIC.

NOTE: Damage to the leading edge sheath, the ground tab, or the blade body is not permitted.

(3) Use hand pressure to inspect the ground tab for looseness or damage.

NOTE: A loose or damaged ground tab is not permitted.

(4) Clean the repair area by SPOP 208, with a clean P05-038cheesecloth - bleached, new, woven, unsized and Acetone (Material No.P11-065) (Ref. AMM TASK 70-27-00-910-804).
(5) Mix the P08-025adhesive paste, epoxy, thixotropic. Refer to the manufacturer's instructions.
(6) Fill the space between the leading edge sheath and the ground tab with P08-025adhesive paste, epoxy, thixotropic.

NOTE: P08-025adhesive paste, epoxy, thixotropic overlap is permitted on adjacent areas as necessary to make a smooth transition between the leading edge sheath and the ground tab.

(7) Remove unwanted P08-025adhesive paste, epoxy, thixotropic with a clean P05-038cheesecloth - bleached, new, woven, unsized and Acetone (Material No.P11-065) .
(8) Increase the temperature of the adhesive paste

CAUTION: DO NOT APPLY TEMPERATURES MORE THAN 180 DEGREES F (82 DEGREES C) TO AREAS ADJACENT TO THE FAN BLADE REPAIR AREA. IF YOU DO NOT OBEY THIS INSTRUCTION, DAMAGE TO ENGINE COMPONENTS CAN OCCUR.

(a) Increase the temperature of the P08-025adhesive paste, epoxy, thixotropic between 140 deg.F (60.00 deg.C) and 160 deg.F (71.11 deg.C) for two hours minimum.
(9) Do a visual inspection of the repaired area.
(10) Let the repaired area decrease to approximately room temperature.
(11) Remove the MAT - PROTECTIVE from the engine intake cowl and fan case.
(12) Examine the assembly for foreign objects, damage and correct assembly.

5. Close-up
Subtask 72-11-03-942-054-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:48:04 UTC