# SDR CALA2023082102576

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2023
- Submitted: August 21, 2023
- Operation: Air carrier
- Aircraft: [N69829](https://openairdocs.org/aircraft/N69829), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 44561
- Aircraft time: 27,278 hours, 9,920 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Part serial: 312506
- Condition: Inoperative
- Location: Unknown
- 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/CALA2023082102576

## Discrepancy

PASSENGER COMPARTMENT, EMERGENCY LIGHTS BATTERY PACK M1672 FAILS OPERATIONAL CHECK.(REF NR 999794780). REMOVED AND REPLACED BATTERY PACK M1672 IAW B737 AMM 33-51-06-960-805 OPS CHECK GOOD (WORK ACCOMPLISHED BY V935069 AND AAR QC A-75 V938209) (SDR#1033474).

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