# SDR CALA2025073007107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2025
- Submitted: July 30, 2025
- Operation: Air carrier
- Aircraft: [N76528](https://openairdocs.org/aircraft/N76528), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31663
- Aircraft time: 44,788 hours, 15,992 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- 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/CALA2025073007107

## Discrepancy

EMERGENCY LIGHT BATTERY PACK M2335 REQUIRES REPLACEMENT.  REMOVED AND REPLACED EMERGENCY EXIT LIGHT BATTERY PACK M2335 IAW AMM 33-51-06.  PERFORMED EMERGENCY LIGHTS-OPERATIONAL TEST IAW AMM 33-51-00-710-801. OPS CHECK GOOD/TEST PASSED.

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