# SDR ASAA2020011331816

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2020
- Submitted: January 14, 2020
- Operation: Air carrier
- Aircraft: [N462AS](https://openairdocs.org/aircraft/N462AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 22,455 hours, 7,308 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Starter Gen
- Part number: 28B5459STYLEA
- Part serial: 57B0871
- Condition: Failed
- Location: Apu
- Part time: 9,290 hours, 15,503 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020011331816

## Discrepancy

APU FAULT LIGHT WHILE STARTING APU AFTER LANDING. GROUNDED - YES. REMOVED AND REPLACED STARTER/GENENERATOR IAW AMM 49-41-21. OPS CKS GOOD.

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