Service difficulty report · Control Valve · Boeing 767323

Difficulty date
January 20, 2023
Submitted
January 25, 2023
Operation
Air carrier
Aircraft
N321CM
Make and model
Boeing 767323
Aircraft serial
29431
Aircraft time
86,449 hours, 14,638 cycles
Part
Control Valve
Condition
Faulted
Location
Rt Engine
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
D

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

What was found

R ENGINE BLEED AIR AND PACK LIGHT OFF. RIGHT PACK LIGHT WOULD NOT ILLUMINATE WITH PACK OFF. PERFORMED CONNECTOR CLEAN ON FLOW CONTROL SHUTOFF VALVE GND. OPERATED ISOLATION VALVE AND RIGHT PACK INDICATES OFF.