-
for the flap track fairing No.2 remove the fairings: 531AB (631AB), 531BB (631BB), 531CB (631CB), 531DB (631DB).

 -
for the flap track fairing No.3 remove the fairings: 532AB (632AB), 532BB (632BB), 532CB (632CB), 532DB (632DB).

 -
for the flap track fairing No.4 remove the fairings: 533AB (633AB), 533BB (633BB), 533CB (633CB), 533DB (633DB).

 **ON A/C 301-399,
 Subtask 57-26-00-010-050-A
 D. Get Access
 (1)
 Put the access platform below the applicable flap track fairings, zones 531 (631) 532 (632) and 533 (633).

 (2)
 Remove the applicable flap track fairing: (Ref. TASK 57-55-11-000-004)

 -
for the flap track fairing No.2 remove the fairings: 531CB (631CB), 531EB (631EB).

 -
for the flap track fairing No.3 remove the fairings: 532CB (632CB), 532EB (632EB).

 -
for the flap track fairing No.4 remove the fairings: 533CB (633CB), 533EB (633EB).

 **ON A/C ALL

 4. Procedure
_________
 (Ref. Fig. 601/TASK 57-26-00-991-001)
 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 57-26-00-110-050
 A. Preparation for Inspection
 (1) Use a MISCELLANEOUS (Material No. 19-003), made moist with CLEANING AGENTS (Material No. 11-026) to clean:
 -
the aft attachment of the flap track 2 on the wing bottom skin at the false rear spar

 -
the aft attachment fittings of the flap tracks 3 and 4 at the rear spar.

 Subtask 57-26-00-210-050
 B. Inspection
 (1)
 Examine the aft attachment fittings of the flap track 2 on the wing bottom skin at the false rear spar. Use an inspection mirror and a suitable light source to make sure that:

 -
there is no corrosion

 -
there are no cracks

 -
the nuts and safety devices are in the correct condition

 -
the protective treatment is in the correct condition.

 (2)
 Examine the aft attachment fittings of the flap tracks 3 and 4 at the rear spar. Use an inspection mirror and a suitable light source to make sure that:

 -
there is no corrosion

 -
there are no cracks

 -
the nuts and safety devices are in the correct condition

 -
the protective treatment is in the correct condition.

 NOTE : If necessary, refer to the ASRM (Ref. ASRM 572600) for the
____
 correct repair procedure.

 1EFF : ALL 1 57-26-00Page 604 1 1 May 01/05R 1 1 1CES 1

 Flap Tracks 2, 3 and 4 - Aft Attachment Fittings Figure 601/TASK 57-26-00-991-001
 1EFF : 1 1R 1CES  ALL  1 11 1 57-26-00 Page 605 May 01/04

 5. Close-up
________

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 Subtask 57-26-00-410-051
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the applicable flap track fairing: (Ref. TASK 57-55-11-400-001)

 -
for the flap track fairing No.2 install the fairings: 531AB (631AB), 531BB (631BB), 531CB (631CB), 531DB (631DB).

 -
for the flap track fairing No.3 install the fairings: 532AB (632AB), 532BB (632BB), 532CB (632CB), 532DB (632DB).

 -
for the flap track fairing No.4 install the fairings: 533AB (633AB), 533BB (633BB), 533CB (633CB), 533DB (633DB).

 **ON A/C 301-399,
 Subtask 57-26-00-410-051-A
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the applicable flap track fairing: (Ref. TASK 57-55-11-400-004)

 -
for the flap track fairing No.2 install the fairings: 531CB (631CB), 531EB (631EB).

 -
for the flap track fairing No.3 install the fairings: 532CB (632CB), 532EB (632EB).

 -
for the flap track fairing No.4 install the fairings: 533CB (633CB), 533EB (633EB).

 **ON A/C ALL
 Subtask 57-26-00-865-051
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 6CV, 8CV.
　
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