SDR AU970187

Service difficulty report · Control Valve · Boeing 737377

Difficulty date
February 27, 1997
Submitted
March 26, 2000
Operation
General aviation
Make and model
Boeing 737377
Part
Control Valve
Part number
32194211
Condition
Seized
Location
Cabin Cooling Sy
Stage of operation
CL
Nature of condition
O
Precautionary procedure
K

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

What was found

(AUS) RH AIR CONDITIONING PACK, SINGLE PACK OPERATION MARGINAL - LH AIR CONDITIONING SYSTEM FAULTY DUE TO 35 DEGREE CONTROL VALVE PNO321942-1-1 BEING SEIZED IN CLOSED POSITION WITH SHAFT SHEARED AND LH TEMPERATURE CONTROL VALVE PNO 398116-1-1 HAVING LIMITED MOVEMENT