Service difficulty report · Control Valve · Boeing 767375

Difficulty date
December 20, 2019
Submitted
December 26, 2019
Operation
Air carrier
Aircraft
N649GT
Make and model
Boeing 767375
Aircraft serial
25864
Aircraft time
90,215 hours, 23,192 cycles
Part
Control Valve
Condition
Malfunctioned
Location
Cabin Pressure
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

STATUS MESSAGE FOR CABIN ALT AUTO 1. FOLLOWED BITE PROCEDURE OF CABIN PRESSURE CONTROLLER IAW FIM 21-31-803. NO FAULTS NOTED. OK FOR CONTINUED SERVICE. REMOVED AND REPLACED THE LT FLOW CONTROL VALVE IAW AMM 21-51-01-404-012. PERFORMED OPS CHECK, OPS SATISFACTORY.