# SDR UIEA2021010200004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2020
- Submitted: January 4, 2021
- Operation: Air carrier
- Aircraft: [N1427A](https://openairdocs.org/aircraft/N1427A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28098
- Aircraft time: 82,814 hours, 18,088 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Ecu
- Condition: Malfunctioned
- 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/UIEA2021010200004

## Discrepancy

APU BLEED AIR INOPERABLE WHILE APU RUNNING.  REMOVED AND REINSTALLED APU ECU UNIT, IAW B767 AMM 20-10-01.  PERFORMED OPERATIONS CHECK ON APU SYSTEM, IAW B767 AMM 49-11-00.  CHECKS GOOD.  NO FURTHER DEFECTS NOTED AT THIS TIME.

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