SDR HALA2012021800063

Service difficulty report · Apu · Boeing 7673G5

Difficulty date: February 18, 2012
Submitted: February 21, 2012
Operation: Air carrier
Aircraft: N585HA
Make and model: Boeing 7673G5
Aircraft serial: 24257
Aircraft time: 98,481 hours, 18,660 cycles
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: Apu
Condition: Faulted
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

APU DISPLAYED "APU FAULT" AND APU AUTO SHUTDOWN DURING A VERIFICATION FLIGHT. BITE CHECKED ECU, FOUND "AUTO SHUTDOWN GENERATOR FILTER" ACCOMPLISHED FIM 49-11-00 CHECKED GOOD, AS A PRECAUTION, REPLACED OIL PRESSSURE AND SCABENGE FILTER ALSO GENERATOR FILTER DIFFERNENTIAL PRESSURE SWITCH IAW AMM 49-27-15. OPS CHECKED GOOD.

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