# SDR CALA2025041003672

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2025
- Submitted: April 10, 2025
- Operation: Air carrier
- Aircraft: [N37255](https://openairdocs.org/aircraft/N37255), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30610
- Aircraft time: 75,040 hours, 27,863 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Discharged
- 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/CALA2025041003672

## Discrepancy

EMERGENCY LIGHT BATTERY PACK M1674 FAILS CAPACITY CHECK..EMERGENCY LIGHTING SYSTEM FUNCTIONAL CHECK (INTERIOR AND EXTERIOR) {MULT-33-3-0004} - REPLACED EMERG. BAT. AT #M1674, OPS CHK GOOD, PER MM #33-51-06-960-805.PARTS USED:  99-3351-3-0015,QTY :1

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