# SDR CALA2021090101480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2021
- Submitted: September 1, 2021
- Operation: Air carrier
- Aircraft: [N72405](https://openairdocs.org/aircraft/N72405), registered now
- Make and model: Boeing 737924
- Aircraft serial: 30122
- Aircraft time: 56,892 hours, 23,293 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021090101480

## Discrepancy

EMERGENCY BATTERY PACK INOP MOUNTED ON THE CEILING PANEL JUST TO THE LEFT OF THE FDR ACCESS PANEL REMOVE AND REPLACE EMERGENCY BATTERY PACK MOUNTED ON THE CEILING PANEL JUST TO THE LEFT OF THE FDR ACCESS PANEL REF. 737-900 AMM 33-51-06 REV 75

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