SDR HALA2014031400036

Service difficulty report · Generator · Boeing 76733A

Difficulty date: March 14, 2014
Submitted: March 18, 2014
Operation: Air carrier
Aircraft: N581HA
Make and model: Boeing 76733A
Aircraft serial: 28141
Aircraft time: 47,446 hours, 8,572 cycles
System (JASC): 2421 · AC Generator-Alternator
Part: Generator
Condition: Unknown
Location: Apu
Stage of operation: NR
How discovered: O
Nature of condition: H
Precautionary procedure: O

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

What was found

ETOPS SIGNIFICANT SYSTEM, WHEN CAPTAIN STARTED ENGINE START CHECKLIST & TURNED ON PUMPS. ACFT WENT COMPLETELY DEAD, APU RUNNING, EXT POWER PLUGGED IN & EICAS F/O INST TRANSFER , CAPTS INST TRANSFER & HI FLOW INHIBIT RESULTED. R & R APU GENERATOR IAW AMM 24-21-01 AFTER FINDING BPCU FAULT "GEN DIODE" OPS CKD AND LOAD CKD GOOD. OK FOR SERVICE CONTINUE ON LOG PG 531540 ITEM NR 1

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