# SDR CJPA2016FA0000303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2016
- Submitted: June 21, 2016
- Operation: Air carrier
- Aircraft: [N322G](https://openairdocs.org/aircraft/N322G), registered now
- Make and model: Lear 55LEAR
- Aircraft serial: 55008
- Aircraft time: 9,226 hours, 6,220 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Coupling
- Part number: 14J3424A
- Condition: Worn
- Location: Tailcone
- Part time: 9,226 hours, 6,220 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: B, I
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CJPA2016FA0000303

## Discrepancy

PILOT REPORTED A FLUCTUATION IN THE ROC INDICATOR, THEN A POP SOUND, FOLLOWED BY WHAT WAS BELIEVED TO BE A CABIN DEPRESSURIZATION.  EXECUTED AN EMERGENCY DECENT AT WHICH THE PROBLEM CORRECTED ITSELF AT FL17.

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