# SDR ASAA2023071544057

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2023
- Submitted: July 17, 2023
- Operation: Air carrier
- Aircraft: [N948AK](https://openairdocs.org/aircraft/N948AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44090
- Aircraft time: 3,046 hours, 880 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: LD
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023071544057

## Discrepancy

APU FAULT LIGHT ILLUMINATED DURING FIRST START ATTEMPT AFTER LANDING. SECOND ATTEMPT WAS SUCCESSFUL. GROUNDED - YES. INTERROGATED CDU FOUND NO EXISTING APU FAULTS, NORMAL START ACCOMPLISHED.

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