# SDR K6LR2014F00040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2013
- Submitted: December 9, 2013
- Operation: General aviation
- Aircraft: N58MM
- Make and model: Lear 35A
- Registry model: [Lear 35A](https://openairdocs.org/model/gates-learjet-35a) (OpenAirDocs)
- Aircraft serial: 261
- Aircraft time: 19,434 hours, 15,147 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cabin Pressure
- Condition: Failed
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/K6LR2014F00040

## Discrepancy

DURING A POSITIONING FLIGHT,  THERE WAS AN UNCONTROLLED LOSS OF CABIN PRESSURIZATION.  THE PILOT MADE AN EMERGENCY DECENT AND DIVERTED  FOR MAINTENANCE.

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