(3) Replace as necessary, worn or damaged components in the applicable flap drive assembly:

 - for flap tracks 1 and 2, (Ref. AMM TASK 27-54-55-000-001) and (Ref. AMM TASK 27-54-55-400-001)

 - for flap track 3, (Ref. AMM TASK 27-54-55-000-002) and (Ref. AMM TASK 27-54-55-400-002)

 - for flap track 4, (Ref. AMM TASK 27-54-55-000-003) and (Ref. AMM TASK 27-54-55-400-003).

 (a) If the fault continues, do step (4).

 (4) Replace the applicable flap-actuator, (Ref. AMM TASK 27-54-49-000-008) and (Ref. AMM TASK 27-54-49-400-005).

 (a) If the fault continues, do step (5).

 (5) From the operational test:

 - if the operational test is OK and the flap surfaces are aligned, but an alignment fault message is shown, do step (6).
 NOTE : When an alignment fault occurs, the flaps on the related wing
____ do not move together correctly. When this fault occurs, the interconnecting strut senses the asymmetry. If the flaps are apparently aligned correctly, but an alignment fault has occurred, then it is possible that the interconnecting strut or the flap rigging is out of adjustment.
 (6) Do the adjustment of the interconnecting strut, (Ref. AMM TASK 27-51-44-820-001).

 (a) If the fault continues, do step (7).

 (7) Do a check of the flap transmission assembly, (Ref. AMM TASK 27-54-00-200-001).

 (a) From the check of the transmission assembly:
 - if the transmission assembly shows backlash, do step (8)

 - if the transmission assembly needs to be adjusted, do step (9)

 - if the transmission assembly is OK, do the test in Para. 3.A.

 (8) Do a detailed dimensional check of the flaps, to make sure there is no backlash in the flap transmission assembly, (Ref. AMM TASK 27-54-00-200-003).

 (a) Do the test in Para. 3.A.:
 - if the fault continues, do step (9).
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞27-51-00∞∞∞∞∞∞∞∞∞∞Page 247
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 (9) Do the adjustment of the flap rigged position, (Ref. AMM TASK 27-51-00-820-005).
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞27-51-00∞∞∞∞∞∞∞∞∞∞Page 248
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 CES  Flap System Asymmetry Fault.

 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.

 1. Possible Causes
_______________
 - Flap transmission

 - APPU

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 27-50-00-869-006 Reset of the Wing Tip Brake (WTB) of the Flap System on the Ground AMM 27-51-00-740-002 Bite Test of the Slat and Flap Control Computers
 (Flap System) AMM 27-51-00-820-001 Manual Adjustment of the Position Pick-Off Units AMM 27-51-00-820-006 Adjustment of the Flap Rigged Position (With the
 Rigging Boards) AMM 27-51-18-000-001 Removal of the Asymmetry-Position Pick-Off Unit 29CV (30CV)
 AMM 27-54-00-200-001  Detailed Visual Inspection of the Transmission Assembly (Including Part of the Transmission in Zone 140)
 AMM 27-54-00-710-001  Operational Test of the Flap System
 3. Fault Confirmation
__________________
 A. Procedure
 (1) For the fault message, FLP 1 ASYMMETRY LH/RH. CHECK FLP MECH DRIVE. Access the MENU Mode and set SFCC 1.
 (a) Go to the submenu SYSTEM DATA FLAP.

 (b) Press the line key 1L to set the PPU page.

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞27-51-00∞∞∞∞∞∞∞∞∞∞Page 249
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 (c) The SFCC transmits the LH and RH APPU DATA page(s) to the CFDS.

 (d) The APPU DATA page is transmitted again every 5 seconds with refreshed data.
　
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