Subtask 55-12-11-560-050
 A. Prepare the components for installation:
 (1)
 Make sure that the rubber strip (7) is in good condition. NOTE : If necessary, replace the rubber strip (7).

____

 (2)
 Make sure that the anchor nuts are in good condition.

 (3)
 Remove the old sealant from the mating surfaces of the leading edge sections, the ribs and the spar box upper and lower shells. Use a nonmetallic scraper and CLEANING AGENTS (Material No. 11-008).

 Subtask 55-12-11-420-050

 B. Install the leading edge intersection (1).
 (1) Apply SEALANTS (Material No. 09-018) to the mating surfaces along the leading edge rib 1 and the spar box upper and lower shell.
 (2) Apply SPECIAL MATERIALS (Material No. 05-013) to the mating surfaces of the leading edge intersection (1).
 (3) Put the leading edge intersection (1) in position.
 (4) Make sure that the rubber strip (7) touches the fuselage skin.
 (5) Install the screws (4).
 Subtask 55-12-11-420-051
 C. Install the inboard and outboard leading edge sections (2) and (3).
 (1) Apply SEALANTS (Material No. 09-018) to the mating surfaces along the leading edge ribs and the spar box upper and lower shells.
 (2) Apply SPECIAL MATERIALS (Material No. 05-013) to the mating surfaces of the leading edge sections (2) and (3).
 (3) Put the leading edge sections (2) and (3) in position.
 (4) Apply SEALANTS (Material No. 09-005) to the screws (5) and (6). 
R R  (5) Install the screws (4), (5) and (6).Do not tight the screws at this time. 
R  (6) Let the sealant cure 
R  (7) Torque the fasteners
 Subtask 55-12-11-914-051
 D. Sealing
 (1) Apply SEALANTS (Material No. 09-016) to the gap around each leading edge section (2) and (3) and the leading edge intersection (1).

 Subtask 55-12-11-110-050

 E. Cleaning
 (1)
 Remove the unwanted sealant with CLEANING AGENTS (Material No. 11-008).

 (2)
 Clean the surface of the leading edge with CLEANING AGENTS (Material No. 11-003)

 Subtask 55-12-11-081-050
 F. Remove Locking Pins
 (1) Remove the PIN-SIDE STICK LOCKING (98D27903500000) from the CAPT and F/O side stick controllers.
 Subtask 55-12-11-865-051
 G. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 19CE1, 19CE2, 19CE3
 Subtask 55-12-11-710-050
 H. Operational Test WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE
_______ CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE.
 (1) Operate the horizontal stabilizer through the full range of travel. Make sure that the rubber strip does not deform against the fuselage.
 5. Close-up
________ Subtask 55-12-11-410-050
 A. Visual Inspection
 (1) Make sure that the work area is clean and clear of tool(s) and other items.

 Subtask 55-12-11-942-052

 B. Remove Ground Equipment
 (1) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 LEADING EDGE - THS - INSPECTION/CHECK
_____________________________________
 TASK 55-12-11-200-001
 Inspection-Trimmable Horizontal Stabilizer Leading Edge
 WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE. WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______ CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
 WARNING : WEAR AND ATTACH A SAFETY HARNESS WHEN YOU WORK ON HIGH SECTIONS. A
_______ FALL CAN INJURE OR KILL YOU.
 WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
 CAUTION : DO NOT CAUSE DAMAGE TO THE SURFACES. THE COMPONENTS ARE MADE OF
_______ CARBONFIBER REINFORCED PLASTIC.
 1. Reason for the Job__________________ Self Explanatory
 2. Job Set-up Information______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
　
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