SDR HALA2010051500214

Service difficulty report · Apu · Boeing 7673CB

Difficulty date: May 15, 2010
Submitted: May 17, 2010
Operation: Air carrier
Aircraft: N592HA
Make and model: Boeing 7673CB
Aircraft serial: 33468
Aircraft time: 27,331 hours, 5,243 cycles
Engine: Pwa PW4060
System (JASC): 4920 · APU Core Engine
Part: Apu
Condition: Malfunctioned
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

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

What was found

ETOPS SIGNIFICANT SYS - AFTER LANDING APU WILL NOT START "APU FAULT" EICAS MESSAGE. T/S IAW FIM 49-11-00/100, FIG 103 NO MINI FLAG PRESENT AND NO CURRENT OR PAST FAULT INDICATED, PERFORMED (2) SUFFESSFUL STARTS AFTER BITE CK, NO PROBLEMS NOTED, POSSIBLE COLD SOAK ISSUE, UNABLE TO DUPLICATE AT THIS TIME. ACFT OK FOR SERVICE.

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