SDR ASMF201402004

Service difficulty report · Apu · Boeing 73783N

Difficulty date: December 29, 2013
Submitted: February 14, 2014
Operation: Air carrier
Aircraft: N860AM
Make and model: Boeing 73783N
Aircraft serial: 28249
Aircraft time: 35,207 hours, 17,286 cycles
System (JASC): 4920 · APU Core Engine
Part: Apu
Condition: Overtemp
Location: Apu Bay
Stage of operation: IN
How discovered: O
Nature of condition: M
Precautionary procedure: K

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

What was found

DURING TRANSIT CHECK, THE APU WAS SHUT OFF AUTOMATICALLY BY OVER TEMP. MX PERSONNEL PERFORMED FIM 49-30 TASK 802 PROCEDURE, CONFIRMING THE FAILURE, SO THE REPORT WAS DEFERRED IAW MEL 49-1, CAT C. AT MEX, MX PERSONNEL PERFORMED THE FIM 49-30 TASK 803 & OPERATIONAL TEST IAW AMM 49-11-00, TESTED CORRECT & THE REPORT WAS CLOSED.

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