# SDR UPS09M54257

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2008
- Submitted: January 16, 2009
- Operation: Air carrier
- Aircraft: N259UP
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- System (JASC): [5297 · Door System Wiring](https://openairdocs.org/jasc/5297)
- Part: Connector
- Condition: Inoperative
- Location: R1 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/UPS09M54257

## Discrepancy

R1 DOOR INOP ELEC AND PNEUMATIC. DEFERRED IAW MEL 391975.  REF WDM 52-11-01 FOUND UP LIMIT SWITCH 51-588 TO HAVE INTERMITTENT HIGH RESISTANCE FROM PINS E TO D. REPLACED 51-588. DOOR CHECKS GOOD.

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