# SDR UIEA2021061401342

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2021
- Submitted: June 15, 2021
- Operation: Air carrier
- Aircraft: [N1499A](https://openairdocs.org/aircraft/N1499A), registered now
- 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](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Faulted
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021061401342

## Discrepancy

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>)

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