# SDR CALA2026081318584

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2026
- Submitted: August 13, 2026
- Operation: Air carrier
- Aircraft: [N13113](https://openairdocs.org/aircraft/N13113), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27555
- Aircraft time: 108,936 hours, 25,955 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Sensor
- Condition: Faulted
- Location: Zone
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026081318584

## Discrepancy

DOOR 1L ENTRY LIGHT DOES NOT WORK WHEN DOOR 1L IS CLOSED AND ARMED REFER TO LOG PAGES 9919375 AND 9919365, DOOR 1L WORK LIGHT AND DOOR 1L THRESHOLD LIGHT DO NOT OPERATE WITH DOOR 1L ARMED AND FD DOOR CLOSED. VERIFIED FAULT. ADJUSTED TARGET ON THE TOP OF FLIGHT DECK DOOR. WITH TARGET TOUCHING DOOR FRAME, LIGHTS OPERATE. ADJUSTED FLIGHT DECK DOOR FRAME PROXIMITY SENSOR, SAME RESULTS. SUSPECT FAULTY FLIGHT DECK DOOR FRAME PROXIMITY SENSOR. REFERENCE WD 33-22-11-901, EA 5210-01438 OP 5. REPLACED FLIGHT DECK DOOR OPEN/CLOSE TARGET AND PROXIMTY SENSOR REF WDM 33-22-11 AND SWPM 20-61-00.OPS CHECK OK.

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