# SDR ASAA2017052020831

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2017
- Submitted: May 24, 2017
- Operation: Air carrier
- Aircraft: [N531AS](https://openairdocs.org/aircraft/N531AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35199
- Aircraft time: 27,248 hours, 8,096 cycles
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Cover
- Condition: Malfunctioned
- Location: Switch
- Part time: 27,245 hours, 8,094 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017052020831

## Discrepancy

BATTERY SWITCH COVER WILL NOT STAY CLOSED.  ACFT GROUNDED.  REMOVED & REPLACED THE BATTERY POWER MODULE IAW AMM 24-21-53. OPS CHECKED GOOD. GROUND VERIFICATION COMPLETE.

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