# SDR ASAA2018062325179

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2018
- Submitted: June 27, 2018
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 42,544 hours, 12,773 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Starter Gen
- Part number: 28B5459STYLEA
- Part serial: 82F0153
- Condition: Failed
- Location: Apu
- Part time: 4,422 hours, 8,612 cycles
- Stage of operation: NR
- 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/ASAA2018062325179

## Discrepancy

APU BLUE MAINTENANCE LIGHT IS ON. GROUNDED - YES. REMOVED AND REPLACED APU STARTER-GENERATOR REF AMM 49-41-21 / 401. OPS CHECKS GOOD.

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