R a_ If the fault continues:
R - repair the wiring (Ref. ASM 52-73/02) between:
R .the relay 3EN1 pin A/1 and the circuit breaker 2EN1
R .the relay 3EN1 pin A/A and the relay 18WN1 pin A/X.
R b_ If the fault continues:
R - connect pin A/Z of the relay 3EN1 again,
R - replace the CTL SW-ENG/MASTER 1 (3KC) (Ref. ASM 76-
R 12/01).
R c_ If the fault continues:
R - repair the wiring (Ref. ASM 79-36/01) between:
R .the control switch 3KC pin 3A and the relay 3EN1 pin A/Z
R .the control switch 3KC pin 1A and the ground.
R C. After the subsequent flight, make sure that the fault does not continue.
