# SDR J7SA20160818001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2016
- Submitted: August 21, 2016
- Operation: Air carrier
- Aircraft: [N472FX](https://openairdocs.org/aircraft/N472FX), registered now
- Make and model: Lear 45LEAR
- Aircraft serial: 501
- Aircraft time: 1,403 hours, 1,043 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Malfunctioned
- 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/J7SA20160818001

## Discrepancy

DIVERTED DUE TO LEFT, RIGHT EMERGENCY PRESSURE ON DURING CRUISE AT 45,000 FT, CABIN PRESSURE AT 10,800 TO 11,000 FT.  BEFORE DESCENT THE CREW HEARD A LOUD HOT AIR NOISE.  DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT.  REPLACED CABIN PRESSURE CONTROLLER OPS CHECK GOOD.  MVF WAS SUCCESSFUL FOR CABIN PRESSURE CHECKS.

---
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.