# SDR CALA2026060316776

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2026
- Submitted: June 3, 2026
- Operation: Air carrier
- Aircraft: [N14249](https://openairdocs.org/aircraft/N14249), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28809
- Aircraft time: 77,272 hours, 29,906 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/CALA2026060316776

## Discrepancy

EMERGENCY LIGHTING SYSTEM BATTERY PACK M1670 CAPACITY CHECK FAIL.  REMOVED AND INSTALLED NEW BATTERY PACK M1670, PERFORMED TEST, TEST PASS. IAW AMM 33-51-06-960-805 STEP 4. E (5), (6) AND (7).

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