Service difficulty report · Control Panel · Boeing 757232

Difficulty date
October 1, 2010
Submitted
October 5, 2010
Operation
Air carrier
Aircraft
N673DL
Make and model
Boeing 757232
Aircraft serial
25978
Aircraft time
59,782 hours, 27,771 cycles
Engine
Pwa PW2037
Part
Control Panel
Condition
Failed
Location
Cabin Pressure
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

AT FL360 THE CREW REPORTED THAT THEY LOST BOTH THE NR 1 & 2 CABIN CONTROLLERS. CREW MADE AN EMERGENCY DESCENT AND REGAINED THE CABIN AT FL320 IN MANUAL CONTROL. FLIGHT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. REPLACED CABIN PRESSURE SELECTOR PANEL AND NR 2 AC OUTFLOW VALVE MOTOR. BITE TEST OF BOTH CONTROLLERS BITE NORMAL.