SDR UIEA2019102205776

Service difficulty report · Apu · Boeing 767328

Difficulty date: October 21, 2019
Submitted: October 22, 2019
Operation: Air carrier
Aircraft: N1499A
Make and model: Boeing 767328
Aircraft serial: 27428
Aircraft time: 79,052 hours, 17,354 cycles
System (JASC): 4940 · APU Start/Ignition System
Part: Apu
Condition: Malfunctioned
Stage of operation: CR
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 COLD SOAK START UNSUCCESSFUL, 3 ATTEMPTS @ FL 390, SAT -38 DEG.(<P>COMPLIED WITH OPS CHECK OF THE APU. START SUCCESSFUL 2 TIMES ON GROUND IAW AMM 49-11-00, OPS GOOD. REQUESTED COLD SOAK ON NEXT FLT. NOTE: MDDR 119439, 25-AP-01, PREVIOUSLY OPENED IS STILL APPLIED. </P><P>LP 1048321 - ITEM 1: APU INFLIGHT START SUCCESSFUL ON 2ND TRY @ FL 310, -40 SAT. NOTED BY MX, THIS CLEARS DMI 119439. MCC NOTIFIED. </P>)