SDR HALA2009021900057

Service difficulty report · Apu · Boeing 76733A

Difficulty date: February 19, 2009
Submitted: February 20, 2009
Operation: Air carrier
Aircraft: N591HA
Make and model: Boeing 76733A
Aircraft serial: 33423
Aircraft time: 23,345 hours, 4,484 cycles
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: Apu
Condition: Malfunctioned
Stage of operation: IN
How discovered: C
Nature of condition: L
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 SYSTEM, APU WOULD NOT RE-START ON GROUND. FAULT LIGHT INDICATION, EICAS INDICATES LOW APU OIL. VISUALLY INSPECTED APU FOR LEAKS, NONE NOTED. FOUND APU BLEED SWITCH IN ON POSITION. STARTED APU SUCCESSFULLY ON 1ST ATTEMPT. APU OIL INDICATES FULL. APU FUNCTIONS NORMALLY, OK FOR SERVICE.

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