SDR HALA2017032800080

Service difficulty report · Ecu · Boeing 76733A

Difficulty date: March 28, 2017
Submitted: March 28, 2017
Operation: Air carrier
Aircraft: N580HA
Make and model: Boeing 76733A
Aircraft serial: 28140
Aircraft time: 55,416 hours, 10,182 cycles
System (JASC): 4940 · APU Start/Ignition System
Part: Ecu
Part number: 211734220
Part serial: 1201515
Condition: Faulted
Location: Apu
Part time: 364 hours, 71 cycles
Stage of operation: NR
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

APU RAN FOR 5 MINUTES, THEN SHUT DOWN WITHOUT A FAULT, RESTARTED, RAN FOR 5 MINUTES THEN SHUT DOWN WITH A FAULT LIGHT. PREFORMED APU BITE CHECK IAW AMM 49-61-05. FOUND ECU FAULT. REMOVED AND REPLACE APU ECU IAW AMM 49-61-05. BITE TEST OK. OPS OK. OK FOR SERVICE.

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