-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-026 GB DEF-STAN 68-148/1
 SOLVENT GENERAL PURPOSE (Ref. 20-31-00)
 Material No. 19-003 USA AMS 3819
 LINT-FREE COTTON CLOTH (Ref. 20-31-00)

 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-34-24-869-002 Aircraft Grounding for the Maintenance Operations 27-50-00-866-008 Extension of the Flaps on the Ground 27-50-00-866-009 Retraction of the Flaps on the Ground 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access ISB 27-1108 (for corrective action)
R 27-54-00-991-013 Fig. 622
 3. Job Set-up
__________
 Subtask 27-54-00-941-060
 A. Safety Precautions
 (1)
 Put a warning notice in position to tell persons not to operate the flight controls.

 (2)
 Put a warning notice in position to tell persons not to operate the landing gear doors.

 (3)
 Put the safety barriers in position.

 Subtask 27-54-00-860-054
 B. Aircraft Maintenance Configuration
 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.
R 1EFF : 001-001, 051-052, 1 27-54-00Page A610 1 1 May 01/05 1 1 1CES 1

 (1)
 Extend the flaps fully (Ref. TASK 27-50-00-866-008).

 (2)
 Make sure that the LOCKING TOOL - FLAP/SLAT CONTROL LEVER is installed on the flap/slat control lever.

 (3)
 Open the MLG doors (Ref. TASK 32-12-00-010-001).

 (4)
 Make sure that the GROUND LOCK SLEEVE is installed on the applicable MLG door actuating cylinder.

 (5)
 Make sure that the aircraft is electrically grounded (Ref. TASK 12-34-24-869-002).

 Subtask 27-54-00-865-065
 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 6CV B07 121VU FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 8CV Q21
 Subtask 27-54-00-010-060
 D. Get Access R (Ref. Fig. 622/TASK 27-54-00-991-013)
 (1) Disconnect the sliding-panel drive-cable, as follows:
 (a)
 Put the access platform in position below the zone 581(681).

 (b)
 Remove the screw (2) from the sliding panel and disconnect the drive cable (1) from the drive trunnion of the inboard flap.

 (2) Put the spark-proof lamp adjacent to the inspection area.
 Subtask 27-54-00-110-051

 E. Preparation for Inspection
 (1) Use a clean MISCELLANEOUS (Material No. 19-003), made moist with CLEANING AGENTS (Material No. 11-026), to clean the flap trunnion.
R 1EFF : 001-001, 051-052, 1 27-54-00Page A611 1 1 May 01/05 1 1 1CES 1

 Sliding-Panel Drive-Cable - Access Details R Figure 622/TASK 27-54-00-991-013
R 1EFF : 001-001, 051-052, 1 27-54-00Page A612 1 1 May 01/05 1 1 1CES 1

 4. Procedure
_________
 CAUTION : BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING
_______
 EDGE:

 -
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.

 -
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.

 -MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
 Subtask 27-54-00-220-062
 A. Detailed Inspection of Inboard Flap Trunnions (With Protective Half-shells Installed) for Signs of Wear
 (1)
 For trunnions that have not been repaired and do not have protective half-shells installed refer to work step 4.A.

 (2)
 For aircraft which have protective half-shells (installed by modification or repair) continue as follows:

 (a) Refer to (Ref. ISB 27-1108) and do a detailed inspection of:
 -
the trunnion protective half-shells

 -
the area adjacent to the half-shells.

 5. Close-up
________
 Subtask 27-54-00-410-058
 A. Close Access R (Ref. Fig. 622/TASK 27-54-00-991-013)
 (1)
 Connect the sliding-panel drive-cable, as follows:

 (a)
　
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