# SDR UPS09M54651

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2009
- Submitted: February 18, 2009
- Operation: Air carrier
- Aircraft: [N278UP](https://openairdocs.org/aircraft/N278UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48577
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Overheat Sensor
- Condition: Shorted
- Location: Detection System
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS09M54651

## Discrepancy

RECEIVED LEVEL 1 ALERT - NR 2 ANTI-ICE DUCT.  UNABLE TO CONTINUE TO MSP DUE TO ICING CONDITIONS.   FOUND THE DI90 NR 4 DUCT OVERHEAT SENSOR SHORTER TO GROUND. REPOSITIONED OVERHEAT SENSOR. NO DUCT LEAKS NOTED. SYSTEM CHECKS NORMAL PER FIM 30-22-00-1 AWR COMPLIED WITH.

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