# SDR CALA2026021713848

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2026
- Submitted: February 18, 2026
- Operation: Air carrier
- Aircraft: [N66803](https://openairdocs.org/aircraft/N66803), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 42817
- Aircraft time: 38,643 hours, 14,152 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Part number: ADB21506
- Condition: Open
- 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/CALA2026021713848

## Discrepancy

DURING EMERGENCY LIGHT TEST, FOUND LT FWD EXIT LIGHT OUT. TROUBLESHOT AND FOUND ONE FUSE ON EMERGENCY POWER SUPPLY M1694 IS OPEN. REMOVED AND REPLACED UNSERVICEABLE FUSE IAW AMM 33-51-06-960-804.  PERFORMED TEST ON FUSE IAW AMM 33-51-06-710-003. CHECKED GOOD. LT FWD EXIT EMERGENCY LIGHT OPS FOUND NORMAL.

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