# SDR CALA2017060501722

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2017
- Submitted: June 6, 2017
- Operation: Air carrier
- Aircraft: [N77431](https://openairdocs.org/aircraft/N77431), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 32833
- Aircraft time: 28,707 hours, 9,645 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: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017060501722

## Discrepancy

DURING AN EMERGENCY LIGHT TEST, FIRST CLASS FLOOR, R1 DOOR, L2 DOOR,  ROWS 27-39 FLOOR AND STOWBIN LIGHTS INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACKS M1673 , M1674, AND M2626.  OPS CHECKED OK IAW MM 33-51-06-960-805.

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