# SDR ASAA2026030364675

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2026
- Submitted: March 4, 2026
- Operation: Air carrier
- Aircraft: [N972AK](https://openairdocs.org/aircraft/N972AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43389
- Aircraft time: 14,565 hours, 4,201 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Discharged
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026030364675

## Discrepancy

EMERGENCY LIGHTS OUT AT R2 DOOR ABOVE AND ON AFT GALLEY- NOTE EXTERIOR LIGHTS FOR THIS BATTERY PACK ARE ALSO OUT. GROUNDED - YES. REMOVED AND REPLACED AFT R/H EMERGENCY BATTERY PACK POWER SUPPLY S/N 167523 REF B737 AMM 33-51-06 EMER LIGHTS AT DOOR R2 ABOVE AND ON AFT GALLEY OPS CHECKS GOOD REF B737 AMM 33-51-06.

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