# SDR CALA2026012313183

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2026
- Submitted: January 23, 2026
- Operation: Air carrier
- Aircraft: [N66814](https://openairdocs.org/aircraft/N66814), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 42745
- Aircraft time: 37,667 hours, 13,662 cycles
- System (JASC): [3320 · Passenger Compartment Lighting](https://openairdocs.org/jasc/3320)
- Part: Light
- Condition: Malfunctioned
- 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/CALA2026012313183

## Discrepancy

LIGHT ON 21F. ALL OTHER INDICATIONS NORMAL. LIGHT IN QUESTION IS 25F SIDEWALL LIGHT, NOT EMERGENCY LIGHT. CYCLED CB FOR RT SIDEWALL LIGHTS. SIDEWALL AND EMERGENCY LIGHT OPERATION NORMAL AND AS COMMANDED

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