SDR UIEA2019100105612

Service difficulty report · Battery · Boeing 76731K

Difficulty date: September 30, 2019
Submitted: October 1, 2019
Operation: Air carrier
Aircraft: N1487A
Make and model: Boeing 76731K
Aircraft serial: 28865
Aircraft time: 86,009 hours, 17,455 cycles
System (JASC): 4940 · APU Start/Ignition System
Part: Battery
Part number: 018550000
Part serial: 09052002127D
Condition: Failed
Location: Apu
Stage of operation: TX
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

THREE ATTEMPTS TO START APU, EICAS APU FAULT. PERFORMED BITE CHECK OF APU ECU I.A.W AMM 49-61-00 AND FOUND NO MINIFLAGS , START ABORT OR PREVIOUS LEGS SHOW SEE MAINTENANCE MANUAL , REMOVED AND REPLACED APU BATTERY IAW AMM 24-31-04. OPS NORMAL.,

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