Service difficulty report · Control Valve · Boeing 777222

Difficulty date
March 23, 2026
Submitted
March 25, 2026
Operation
Air carrier
Aircraft
N768UA
Make and model
Boeing 777222
Aircraft serial
26919
Aircraft time
107,922 hours, 20,304 cycles
Part
Control Valve
Part number
8102211
Part serial
ASSIGNED
Condition
Faulted
Location
Nr 1 A/C Pack
Part time
807,911 hours, 720,301 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

UNABLE TO CONTROL FLIGHT DECK TEMPERATURE. EXCESSIVE COLD 46F. REMOVED AND REPLACED FLIGHT DECK ZONE TRIM AIR VALVE. REF. AMM 21-61-02-400-801. OPS CHECKED AND LEAK CHECK GOOD.