# SDR UPS07M50209

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2007
- Submitted: July 27, 2007
- Operation: Air carrier
- Aircraft: [N286UP](https://openairdocs.org/aircraft/N286UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48453
- System (JASC): [3197 · Instrument System Wiring](https://openairdocs.org/jasc/3197)
- Part: Wire
- Condition: Broken
- Location: Nr 3 Mcdu
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS07M50209

## Discrepancy

DUE TO MCDU NR 2 FAILURE DEFERRED PER MEL 31-65-1. DEF 354944 & 355043.   ON T/S FOUND WIRE BROKEN AT PIN 41 OF P1-1026A. REPAIRED IAW SWP AND WEDM 34-63-22. R&R NR 3 MCDU IAW AMM 31-65-01-4. OPS TEST IAW AMM 31-65-01-5 NOW NORMAL. DMI CLOSED, PLACARD REMOVED.

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