# SDR UIEA2021081601808

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2021
- Submitted: August 17, 2021
- Operation: Air carrier
- Aircraft: [N1489A](https://openairdocs.org/aircraft/N1489A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27206
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Ecu
- Part number: 211734220
- Part serial: 83322
- Condition: Faulted
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021081601808

## Discrepancy

10 SECONDS AFTER SELECTING AU HYD PUMPS ON DURING BEFORE START APU COMPLETELY SHUT DOWN ALARM SOUNDED.(<P>TRANSFERRED TO MDDR 151805 PER MEL 49-11-01-01. APU PNEUMATICS INOP, CAT C, DUE DATE 23AUG21. DDG 36-11-04 COMPLIED WITH.</P> / <P>LP 1370461 - 14AUG21 - ITEM 4 - ONT - C/W WITH ECM 2021P-274 AND REMOVED AND REPLACED ECU IAW AMM 49-61-05. OPS CHECK GOOD. THIS CLEARS DMI 151805. PLACARDS REMOVED. MCC NOTIFIED. </P> / <P>LP 1370462 - 14AUG21 - ITEM 9 - ONT - C/W ECM 2021P-274, REMOVED AND REPLACED APU CONTROLLER, REF MDDR 151805 FOR R/R. OPS CHECK GOOD.</P>)

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