# SDR CVGA201207012001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2012
- Submitted: July 25, 2012
- Operation: Air carrier
- Aircraft: N984BD
- Make and model: Lear 60LEAR
- Aircraft serial: 378
- Aircraft time: 987 hours, 569 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 1037802
- Part serial: 65B0074
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CVGA201207012001

## Discrepancy

HISSING SOUND FROM EMERGENCY EXIT FOLLOWED BY A CABIN ALTITUDE CLIMB OF 1500 FT/MIN THAT COULD NOT BE STOPPED MANUALLY. OUTFLOW VALVE FAILED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.