# SDR CALA2025070206142

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2025
- Submitted: July 2, 2025
- Operation: Air carrier
- Aircraft: [N76505](https://openairdocs.org/aircraft/N76505), registered now
- Make and model: Boeing 737824
- Aircraft serial: 32834
- Aircraft time: 58,073 hours, 21,819 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Failed
- 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/CALA2025070206142

## Discrepancy

PASSENGER CABIN EMERGENCY LIGHT M1670 FAILS BATTERY CHECK.  REMOVED AND INSTALLED BATTERY PACK M1670 IAW B737 AMM 33-51-06-9 60-802, OP CHECKS GOOD.

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