# SDR CALA2025112611490

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 2025
- Submitted: November 26, 2025
- Operation: Air carrier
- Aircraft: [N77571](https://openairdocs.org/aircraft/N77571), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67193
- Aircraft time: 8,151 hours, 2,721 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Warning Light
- Condition: False Activation
- Location: Zone 800
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025112611490

## Discrepancy

DOOR ANNUNCIATOR LIGHT IS ON WITH DOOR CLOSED  FWD ENTRY DOOR LIGHT AT 50KT ON TAKEOFF.  REMAINED ON 2 MIN BEFORE EXTIGUISHING. NO FURTHER INDIC CLEANED FWD/AFT DOOR SENSOR, FUNCTIONALLY CHECKED DOOR. OP CHECK IS GOOD, COULD NOT DUPLICATE CONDITION.

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