SDR UIEA2015110300604

Service difficulty report · Apu · Boeing 767324

Difficulty date: November 2, 2015
Submitted: November 5, 2015
Operation: Air carrier
Aircraft: N645GT
Make and model: Boeing 767324
Aircraft serial: 27393
Aircraft time: 86,347 hours, 16,347 cycles
System (JASC): 4920 · APU Core Engine
Part: Apu
Condition: Malfunctioned
Location: Apu Bay
Stage of operation: CR
How discovered: O
Nature of condition: R
Precautionary procedure: K

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

What was found

APU COLD SOAK START FAILED, APU STALLED, FAULT AT 30% RPM, APU OIL WENT FROM FULL TO 0.25, 1 ATTEMPT MADE ONLY. PERFORMED BITE TEST ON ECU IAW FIM 49-11 FT 987. TROUBLE SHOT IAW FIM 49-11FT988, NO FAULTS NOTED. START ON GND & SUBSEQUENT START. OPERATIONS CHECKED NORMAL. APU OK FOR SERVICE.