SDR HALA2009010700008

Service difficulty report · Relay · Boeing 767300

Difficulty date: January 7, 2009
Submitted: January 8, 2009
Operation: Air carrier
Aircraft: N587HA
Make and model: Boeing 767300
Aircraft serial: 33421
Aircraft time: 24,167 hours, 4,624 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Relay
Condition: Failed
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ETOPS SIGNIFICANT SYS - FMC MESSAGE EICAS MESSAGE "FMC L OUTPUT LOSS" DISPLAYED ON MCDU. T/S AND FOUND RELAY K757 AND LT YSM TO BE BAD. REPLACED K757 RELAY, LT YSM, RT YSM, LT IRU, IRU, CVR, FDAMS DFDAU, VOR/MKR RECIEVER, ATC TRANSPONDER, AND DME. PERFORMED GOOD OPS TEST OF ALL REPLACED LRU'S. PERFORMED OPS TEST OF LT AND RT FMC IAW MM 34-61-00.

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