Service difficulty report · Valve · Boeing 737322

Difficulty date
November 19, 2007
Submitted
December 19, 2008
Operation
Air carrier
Aircraft
N379UA
Make and model
Boeing 737322
Aircraft serial
24654
Aircraft time
50,078 hours, 34,469 cycles
Engine
Cfmint CFM563C1
Part
Valve
Part number
3289562432145525
Part serial
1750
Condition
Malfunctioned
Location
A/C Pack
Stage of operation
CR
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

DESCENDED TO 24000FT DUE TO SINGLE PACK OPERATION. REPLACED FAN AIR VALVE AND PRSOV. SECURED APU PNEUMATIC DUCTS CLAMPS.