SDR J7SA20160818001

Service difficulty report · Controller · Lear 45LEAR

Difficulty date: August 18, 2016
Submitted: August 21, 2016
Operation: Air carrier
Aircraft: N472FX
Make and model: Lear 45LEAR
Aircraft serial: 501
Aircraft time: 1,403 hours, 1,043 cycles
System (JASC): 2131 · Cabin Pressure Controller
Part: Controller
Condition: Malfunctioned
Location: Cabin Pressure
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: B, A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.