# SDR SIMA20120612001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2012
- Submitted: June 13, 2012
- Operation: Air carrier
- Aircraft: [N505AE](https://openairdocs.org/aircraft/N505AE), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10053
- Aircraft time: 24,150 hours, 24,150 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: GG6709800111
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: G, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20120612001

## Discrepancy

FLIGHT 3692, DURING DESCENT THROUGH 8000 FT,  FELT A PRESSURE BUMP AND NOTICED THE CABIN ALTITUDE WAS APPROXIMATELY 300 FT.  FELT ANOTHER PRESSURE BUMP.  CABIN ALTITUDE QUICKLY ROSE THROUGH 22,000 FT IN A MATTER OF SECONDS.  CONFIRMED PAX OXYGEN DEPLOYED.  AIRCRAFT MADE A NORMAL APPROACH AND LANDING.  AIRCRAFT REMOVED FROM SERVICE.  REMOVED AND REPLACED THE CABIN PRESSURE CONTROL PANEL IAW AMM 21-33-01.  OPS CHECKED GOOD.  AIRCRAFT RETURNED TO SERVICE.

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