# SDR SPAA20261002003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2026
- Submitted: October 7, 2026
- Operation: Air carrier
- Aircraft: [N709S](https://openairdocs.org/aircraft/N709S), registered now
- Make and model: Boeing 737-5L9
- Registry model: [Boeing 737-5L9](https://openairdocs.org/model/boeing-737-5l9) (OpenAirDocs)
- Aircraft serial: 28722
- Aircraft time: 51,220 hours, 32,153 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: AB520131A
- Part serial: 91137
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SPAA20261002003

## Discrepancy

CABIN EMERGENCY EXIT LIGHTS AT POSITION M1668 FAILED FUNCTIONAL TEST. REPLACED BATTERY PACK IAW AMM 33-51-51. OPS CHECK SATISFACTORY

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