Service difficulty report · Control Valve · Boeing 767322

Difficulty date
February 27, 2013
Submitted
April 8, 2013
Operation
Air carrier
Aircraft
N648UA
Make and model
Boeing 767322
Aircraft serial
25285
Aircraft time
87,043 hours, 13,875 cycles
Engine
Pwa PW4060
Part
Control Valve
Condition
Faulty
Location
Recirc Fan
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

COCKPIT FAR TOO MUCH NOISE WITH PACKS ON. CANNOT HEAR CHECKLIST OR ATC GROUND AND IN AIR. REPLACED AIR RECIRCULATION FAN CONTROL VALVE, OPS CHECK GOOD.