# SDR CALA2025031202737

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2025
- Submitted: March 12, 2025
- Operation: Air carrier
- Aircraft: [N37253](https://openairdocs.org/aircraft/N37253), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30584
- Aircraft time: 75,053 hours, 27,797 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Lamp
- Part number: 5106CW
- Condition: Inoperative
- 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/CALA2025031202737

## Discrepancy

EMERGENCY WINDOW LIGHT SEAT 21ABC L/H NOT ILLUMNATING. REQUESTING MEL 3302B. REQ LIGHT BULB P/N 5106CW NIS PHX TOMC APPROVED, OK TO DEFER PER MEL 3302B. MEL APPLIED DDP FOLLOWED RELAMPED AND PERFORMED SATISFACTORY OPS CHECK OF SEAT 21ABC WINDOW LIGHT IAW AMM 33-21-01A.PARTS USED: 00-0586-3-0502, QTY :1

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