# SDR UPS07M50102

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2007
- Submitted: July 6, 2007
- Operation: Air carrier
- Aircraft: [N251UP](https://openairdocs.org/aircraft/N251UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48744
- System (JASC): [2565 · Escape Slide](https://openairdocs.org/jasc/2565)
- Part: Pressure Switch
- Condition: Inoperative
- Location: Escape Slide
- 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/UPS07M50102

## Discrepancy

INSPECTION TYPE:N/A R1 EVACUATION SLIDE REMOTE PRESSURE PRESS-TO-TEST INDICATING SYSTEM INOP.  RELAMPED, NO HELP.  BATTERIES CHECKED OK.  SUSPECTED THE PRESS-TO-TEST LIGHT ASSY.  REPLACED RIGHT EMERGENCY ESCAPE SLIDE PRESSURE SWITCH INDICATOR.  OPS CHECKS GOOD.  CLOSED DEFERRAL ON M353756.

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