Service difficulty report · Control Valve · Doug DC872F

Difficulty date
April 14, 2012
Submitted
April 16, 2012
Operation
Air carrier
Aircraft
N721CX
Make and model
Doug DC872F
Aircraft serial
23307
Aircraft time
92,731 hours, 23,227 cycles
Part
Control Valve
Part number
3964202
Part serial
P130
Condition
Inoperative
Location
Rt A/C Pack
Part time
90,601 hours, 22,629 cycles
Stage of operation
CL
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

RIGHT AIR CONDITIONING PACK INOPERATIVE. FOUND RT AIR CONDITIONING PACK FLOW CONTROL VALVE WILL NOT OPEN. R & R RT AIR CONDITIONING PACK FLOW CONTROL VALVE IAW MM 21-55-5. OPS AND LEAK CHECK GOOD.

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