Service difficulty report · Cabin Pressure · Raythn 400ARAYTHEON

Difficulty date
December 26, 2020
Submitted
December 28, 2020
Operation
Air carrier
Aircraft
N485CT
Make and model
Raythn 400ARAYTHEON
Aircraft serial
RK545
Aircraft time
834 hours, 6,279 cycles
Part
Cabin Pressure
Condition
Malfunctioned
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
B

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

What was found

LOST CABIN PRESSURE AT 40,000 AT A RATE OF ABOUT 2,500 FPM, IT STOPPED AT 15,000 FEET FOR A FEW MINUTES. PASSENGER OXY MASKS DID NOT DEPLOY.