SDR UIEA2021061401342

Service difficulty report · Apu · Boeing 767328

Difficulty date: June 14, 2021
Submitted: June 15, 2021
Operation: Air carrier
Aircraft: N1499A
Make and model: Boeing 767328
Aircraft serial: 27428
Aircraft time: 83,111 hours, 18,618 cycles
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: Apu
Condition: Faulted
Stage of operation: NR
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

APU FAULT 3 START ATTEMPTS(<P>PERFORMED APU ECU BITE CK PER AMM 49-61-05, NO FAULTS NOTED. ATTEMPTED APU START, SUCCESSFUL FIRST ATTEMPT. NO PRESENT OR PREVIOUS FAULTS NOTED. TRANSFERRED TO MDDR 148521 IAW DDG 25-AP-01, OPTION C, CAT N, DUE 14JUN22.</P> / <P>14JUNE21 - LP 1138016 - ITEM# 1 - ROC - APU COLD SOAK ACCOMPLISHED ON FLT. ONT-RFD SAT -48 FL370. START SUCCESSFUL ON FIRST ATTEMPT. THIS CLEARS MDDR 148521.</P>)