# SDR ASAA2022072539230

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2022
- Submitted: July 28, 2022
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 57,970 hours, 17,369 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Generator
- Part number: 28B5459STYLEA
- Part serial: 23A1276
- Condition: Faulty
- Location: Apu Compartment
- Part time: 14,046 hours, 22,216 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/ASAA2022072539230

## Discrepancy

APU MAINT LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED APU STARTER GENERATOR IAW B737-800 AMM 49-41-21.

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