# SDR UIEA2021060801290

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2021
- Submitted: June 11, 2021
- Operation: Air carrier
- Aircraft: [N1373A](https://openairdocs.org/aircraft/N1373A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27205
- Aircraft time: 104,025 hours, 22,121 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Ecu
- Part number: 211734220
- Part serial: 112232
- Condition: Faulted
- Location: Apu
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021060801290

## Discrepancy

APU INOP. APU FAILED COLD SOAK START(<P>THIS BECOMES MDDR 148218 PER MEL 49-11-01A, CAT C, DUE 18JUN21. PERFORMED APU FIM 49-11 FAULT TREE 958 AND FOUND CODE 01 ON ECU DURING BITE. </P><P>LP 1465341: REMOVED AND REPLACED APU ECU IAW AMM 49-61-05. OPS CHECK GOOD. DMI 148218 CLEARED. PLACARD REMOVED. MCC NOTIFIED.</P>)

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