# SDR CALA2026071617846

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2026
- Submitted: July 17, 2026
- Operation: Air carrier
- Aircraft: [N47505](https://openairdocs.org/aircraft/N47505), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43433
- Aircraft time: 20,845 hours, 6,905 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: D71702030
- 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/CALA2026071617846

## Discrepancy

EMERGENCY EXIT LIGHTS IN FIRST CLASS OUT. BATTERY AT POWER SUPPLY M02816 IN FWD GALLEY INOP. REMOVED AND REPLACED BATTERY IAW AMM 33-51-06-960-802 AND POWER SUPPLY IAW AMM 33-51-06-960-803. OPS CHECK GOOD NO FURTHER DEFECTS NOTED.

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