# SDR CALA2026062217261

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2026
- Submitted: June 24, 2026
- Operation: Air carrier
- Aircraft: [N34222](https://openairdocs.org/aircraft/N34222), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28931
- Aircraft time: 82,978 hours, 31,024 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702030
- Condition: No Test
- 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/CALA2026062217261

## Discrepancy

EMERGENCY LIGHT BATTERY PACK M1676 FAILS CAPACITY CHECK,   REMOVED AND REPLACED M1676 BATTERY PACK IAW AMM TASK 33-51-06-960-805. OPS CHECK NOT GOOD FROM TEST SWITCH AT POWER SUPPLY ONLY. POWER SUPPLY NIS CLE AND PLACED ON AOG. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK CHARGER AT M1676 IAW 737NG TASK 33-51-06-960-806. OPS CHECK GOOD.

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