# SDR DALA2019042262560

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2019
- Submitted: April 22, 2019
- Operation: Air carrier
- Aircraft: [N823DX](https://openairdocs.org/aircraft/N823DX), registered now
- Make and model: Boeing 757-26D
- Registry model: [Boeing 757-26D](https://openairdocs.org/model/boeing-757-26d) (OpenAirDocs)
- Aircraft serial: 33967
- Aircraft time: 35,457 hours, 18,943 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Sensor
- Condition: Dirty
- Location: Door
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019042262560

## Discrepancy

DURING T/O ROLL, LEFT AFT DOOR UNLOCK INTERMITTENTLY DISPLAYED. DID NOT DISPLAY AGAIN AFTER T/O.  CLEANED PROX SENSORS AT LEFT AFT DOOR, OPS CK NORMAL. REF B757 AMM 52-11. (5775718)

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