SDR HALA201202180006

Service difficulty report · Warning Light · 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): 4990 · APU Oil System
Part: Warning Light
Condition: Illuminated
Location: Apu
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 VERIFICATION FLIGHT, VERIFICATION FAILED. BITE CHECKED ECU, FOUND "AUTO SHUTDOWN GEN FILTER" ACCOMPLISHED FIM 49-11-00, CHECKED GOOD. AS A PRECAUTION, REPLACED OIL PRESSURE AND SCAVENGE FILTER ALSO GENERATOR FILTER DIFFERENTIAL PRESSURE SWITCH IAW AMM 49-27-15, OPS CHECKED GOOD.

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