# SDR CALA2026092119566

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2026
- Submitted: September 21, 2026
- Operation: Air carrier
- Aircraft: [N47512](https://openairdocs.org/aircraft/N47512), registered now
- Make and model: Boeing 737924
- Aircraft serial: 43449
- Aircraft time: 18,782 hours, 6,226 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light Sys
- Condition: Faulted
- Location: Zone 200
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026092119566

## Discrepancy

EMERGENCY LIGHTS CAME ON PRIOR TO LANDING FOR 45 SECONDS. AGAIN AFTER LANDING. LOCATED AT INBOUND FLIGHT ATTENDANTS REPORTED OVERHEAD AISLE LIGHTS NEAR ROWS 20DEF AND 21DEF ILLUMINATED DURING DESCENT. NO OTHER LIGHTS ILLUMINATED. REF. FIM 33-51 TASK 817, PERF. EMERGENCY LIGHTS OPERATIONAL TEST REF. AMM 33-51-00. OPS CHECK GOOD OF ALL EMERGENCY LIGHTS. UNABLE TO DUPLICATE FAULT.

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