# SDR CALA2025021200345

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2025
- Submitted: February 12, 2025
- Operation: Air carrier
- Aircraft: [N37298](https://openairdocs.org/aircraft/N37298), registered now
- Make and model: Boeing 737824
- Aircraft serial: 34004
- Aircraft time: 55,797 hours, 20,603 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Part number: B21506
- Condition: Unserviceable
- Location: M1673
- 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/CALA2025021200345

## Discrepancy

L2 EXTERIOR EMERGENCY LIGHT INOPERATIVE. SUPPORT TASK NSA EMX NR 00151 TROUBLESHOT L2 EXTERIOR EMERGENCY LIGHT IAW B737-800 FIM 33-50 TASK 801 TO AN OPEN FUSE IN POSITION F2 ON POWER SUPPLY 1673. REMOVED AND REPLACED FUSE F2 ON POWER SUPPLY 1673 IAW B737-800 AMM 33-51-06. PERFORMED OPS CHECK OF L2 EXTERIOR EMERGENCY LIGHT IAW B737-800 33-51-00. OPS CHECK GOOD.

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