Service difficulty report · Control Valve · Doug MD9030

Difficulty date
August 5, 2007
Submitted
August 8, 2007
Operation
Air carrier
Aircraft
N906DA
Make and model
Doug MD9030
Aircraft serial
53386
Aircraft time
33,168 hours, 17,504 cycles
Part
Control Valve
Part number
3965821
Part serial
127
Condition
Inoperative
Location
Lt A/C Pack
Stage of operation
CL
How discovered
O
Nature of condition
G
Precautionary procedure
A

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

What was found

LEFT PACK COULD NOT PRESSURIZE A/C BECAUSE TO FLOW CONTROL VALVE WAS INOP AND WOULD NOT OPEN BEYOND 1/4 OF A INCH.

More about the Doug MD-90-30