SDR HALA2015082500171

Service difficulty report · Exciter · Boeing 7673CB

Difficulty date: August 25, 2015
Submitted: August 26, 2015
Operation: Air carrier
Aircraft: N590HA
Make and model: Boeing 7673CB
Aircraft serial: 33467
Aircraft time: 49,235 hours, 8,880 cycles
System (JASC): 4940 · APU Start/Ignition System
Part: Exciter
Part number: 38880585
Part serial: 020218032997
Condition: Malfunctioned
Location: Apu
Part time: 26,704 hours, 4,585 cycles
Stage of operation: TX
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

APU FAULT, AUTO SHUTDOWN UPON ARRIVAL, 3 START ATTEMPTS. NOTED APU OIL QTY 50 PERCENT ON EICAS, SERVICED APU WITH 2 PINTS. ACCOMPLISHED APU BITE CHECK ON ECU. NOTED IGNITION SYS FAULT. R & R IGNITION EXCITER IAW AMM 49-41-03-404-010. APU START OK, NO FAULTS. ACFT OK FOR SERVICE.

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