Service difficulty report · Shutoff Valve · Boeing 73783N

Difficulty date
July 25, 2006
Submitted
August 8, 2006
Operation
Air carrier
Aircraft
N318TZ
Make and model
Boeing 73783N
Aircraft serial
28247
Part
Shutoff Valve
Part number
32145525
Part serial
7176
Condition
Unserviceable
Stage of operation
IN
How discovered
V
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

RT DUCT PRESSURE = 20 PSI, LT DUCT PRESSURE= 40 PSI BOTH IN CLIMP AND CRUISE. REMOVED AND REPLACED PRSOV VALVE AND OPS CHECKED NORMAL IAW MM. A/C OK FOR SERVICE. (K)

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