Lumbar Rest Adjustment of the Captain Seat Inoperative
 1. Possible Causes_______________ 
R R  - LUMBAR-REST SEAT, CAPTAIN
 2. Job Set-up Information______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R  AMM AMM  25-11-67-000-001 25-11-67-400-001  Removal of the Captain (First Officer) Seat Lumbar-Rest Installation of the Captain (First Officer) Seat Lumbar-Rest
 3. Fault Confirmation__________________
 A. Test
 (1) Adjust the lumbar rest in the vertical and horizontal directions with the two knobs, located on the pedestal side of the backrest.
 NOTE : The round serrated knob ensures the vertical lumbar rest____ adjustment with a rack and pinion system. The triangular knob ensures the depth adjustment of the lumbar rest with a cam-mounted rack and pinion assembly.
 4. Fault Isolation_______________
R R  A. If the lumbar rest adjustment of the Captain seat is inoperative: - replace the LUMBAR-REST SEAT, CAPTAIN (Ref. AMM TASK 25-11-67-000-001) and (Ref. AMM TASK 25-11-67-400-001).
 B. Do the test given in Para. 3.

 Lumbar-Rest Adjustment of the First Officer Seat Inoperative
 1. Possible Causes_______________ 
R R  - LUMBAR-REST SEAT, F/O
 2. Job Set-up Information______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R  AMM AMM  25-11-67-000-001 25-11-67-400-001  Removal of the Captain (First Officer) Seat Lumbar-Rest Installation of the Captain (First Officer) Seat Lumbar-Rest
 3. Fault Confirmation__________________
 A. Test
 (1) Adjust the lumbar rest in the vertical and horizontal directions with the two knobs, located on the pedestal side of the backrest.
 NOTE : The round serrated knob ensures the lumbar-rest vertical____ adjustment with a rack and pinion system. The triangular knob ensures the depth adjustment of the lumbar rest with a cam-mounted rack and pinion assembly.
 4. Fault Isolation_______________
R R  A. If the lumbar rest adjustment of the First Officer seat is inoperative: - replace the LUMBAR-REST SEAT, F/O (Ref. AMM TASK 25-11-67-000-001) and (Ref. AMM TASK 25-11-67-400-001).
 B. Do the test given in Para. 3.

 Adjustment of the Captain Seat Armrest Inoperative
 1. Possible Causes_______________ 
R R R  - ARMREST-ASSY SEAT, CAPTAIN - ARMREST-ASSY ASSIST SEAT, CAPTAIN
 2. Job Set-up Information______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------

R  AMM  25-11-65-000-001 
R 
R  AMM  25-11-65-400-001 
R 
R  AMM  25-11-66-000-001 
R 
R  AMM  25-11-66-400-001 
R 

3. Fault Confirmation
__________________
 A. Test

Removal of the Captain (First Officer) Seat Armrest Assy Installation of the Captain (First Officer) Seat Armrest Assy Removal of the Captain (First Officer) Seat Assist Armrest-Assy Installation of the Captain (First Officer) Seat Assist Armrest-Assy
 (1) Adjust the Captain seat armrest.
 4. Fault Isolation_______________
R R R R  A. If the adjustment of the Captain seat armrest is inoperative: - replace the ARMREST-ASSY SEAT, CAPTAIN (Ref. AMM TASK 25-11-65-000-001) and (Ref. AMM TASK 25-11-65-400-001) or the ARMREST-ASSY ASSIST SEAT, CAPTAIN (Ref. AMM TASK 25-11-66-000-001) and (Ref. AMM TASK 25-11-66-400-001).
 B. Do the test given in Para. 3.

 Adjustment of the First-Officer Seat Armrest Inoperative
 1. Possible Causes_______________ 
R R R  - ARMREST-ASSY SEAT, F/O - ARMREST-ASSY ASSIST SEAT, F/O
 2. Job Set-up Information______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------

R  AMM  25-11-65-000-001 
R 
R  AMM  25-11-65-400-001 
R 
R  AMM  25-11-66-000-001 
　
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