(4) If the fault continues:
- replace the AMU (1RN) (Ref. AMM TASK 23-51-34-000-001) and (Ref. AMM TASK 23-51-34-400-001).
(5) If the fault continues:
- replace the P/B SW-COCKPIT CALL (10WC).
(6) If the fault continues:
- do a check and repair as necessary the wiring . between the COCKPIT CALL pushbutton switch (10WC) and the FWCs (1WW1) and (1WW2) . between the FWCs (1WW1) and (1WW2) and the CIDSs (101RH) and (102RH) (Ref. ASM 23-42/01).
B. Do the test given in Para. 3.
