SDR HALA2010081800373

Service difficulty report · Relay · Boeing 767332

Difficulty date: August 18, 2010
Submitted: August 19, 2010
Operation: Air carrier
Aircraft: N598HA
Make and model: Boeing 767332
Aircraft serial: 23278
Aircraft time: 70,940 hours, 31,614 cycles
Engine: Ge CF680
System (JASC): 4920 · APU Core Engine
Part: Relay
Part number: CC07081MUA34B
Part serial: N789
Condition: Malfunctioned
Location: Apu
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 - APU FAULT MSG DISPLAYED ON EICAS, APU DID NOT START, 3RD ATTEMPT. ACOMPLISHED FIM 49-01-00 FAULT CODE 34. REPLACED K117 RELAY IAW WDM 49-41-11AND SB 767-49-00368, AND EO49-05-02-72, REV B. OPS CHECK OK. ALSO FOUND OIL LEAK AT APU OIL COOLER, REPLACED PACKING LEAK AT COOLER MANIFOLD, CHECK GOOD.