# SDR DALA2019012300557

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2019
- Submitted: January 28, 2019
- Operation: Air carrier
- Aircraft: [N543US](https://openairdocs.org/aircraft/N543US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26490
- Aircraft time: 70,429 hours, 27,395 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Switch
- Condition: Out Of Adjust
- Location: L4 Door
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019012300557

## Discrepancy

SHIP 5643 ON TAKEOFF "L AFT ENT DOOR" EICAS MSG CAME ON FOR A FEW SECONDS AND THEN EXTINGUISHED SEVERAL TIMES. CORRECTIVE ACTION: PSEU BITE SHOWS NO FAULTS AND TARGET POSITION INDICATES NORMAL. CLEANED AND INSPECTED PROX SWITCH AT DOOR 4L. ADJUSTED PROX SWITCH PLUNGER OUT SLIGHTLY TO ELIMINATE NUISANCE INDICATION. (5365382)

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