# SDR COMA0860255

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2008
- Submitted: May 28, 2008
- Operation: Air carrier
- Aircraft: N916CA
- Make and model: Cndair CL6002B19
- Aircraft serial: 7014
- Aircraft time: 35,069 hours, 32,161 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Exhaust Valve
- Part number: VP1257C00
- Part serial: 50
- Condition: Failed
- Location: E&E Bay
- Part time: 32,331 hours, 29,754 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA0860255

## Discrepancy

FLIGHT 5246 - DURING CLIMBOUT FROM JFK RECEIVED CABIN ALT MESSAGE AT 8000 FT, COULD NOT CONTROL IN AUTO OR MANUAL.  EMERGENCY DECLARED AND A/C RETURNED BACK TO JFK AND LANDED SAFELY.  REMOVED AND REPLACED OVERBOARD EXHAUST VALVE.

---
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.