# SDR ASAA2022111540824

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2022
- Submitted: November 18, 2022
- Operation: Air carrier
- Aircraft: [N949AK](https://openairdocs.org/aircraft/N949AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43356
- Aircraft time: 154 hours, 50 cycles
- System (JASC): [4960 · APU Controls](https://openairdocs.org/jasc/4960)
- Part: Eec
- Part number: 7072086010
- Part serial: 6505150206002
- Condition: Faulted
- Location: Apu
- Part time: 171 hours, 55 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022111540824

## Discrepancy

FAULT LIGHT DURING APU START ATTEMPT. GROUNDED - YES. PERFORMED APU BITE PROCEDURE IAW B737-9 AMM 49-61-00, NO FAULTS FOUND AS PRECAUTIONARY REMOVED AND REPLACED APU ELETRONIC CONTROL UNIT IAW AMM 49-61-12 GROUND VERIFICATION SUCCESSFUL.

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