# SDR CALA2025032503156

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2025
- Submitted: March 25, 2025
- Operation: Air carrier
- Aircraft: [N61898](https://openairdocs.org/aircraft/N61898), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 62815
- Aircraft time: 25,805 hours, 9,694 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Part number: ADB21506
- Condition: Failed
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025032503156

## Discrepancy

EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK {B737-33-3-0235} - FIRST CLASS SEAT EMERGENCY LIGHTS NOT FUNCTIONING DURING CHECK. REPLACED BAD FUSE IN EMERGENCY LIGHT BATTERY PACK M1674 REF AMM 33-51-06-960-804. OPS CHECK GOOD.PARTS USED: 99-3351-3-0009, QTY :1

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