Service difficulty report · Valve · Boeing 767332

Difficulty date
May 24, 2007
Submitted
May 29, 2007
Operation
Air carrier
Aircraft
N175DN
Make and model
Boeing 767332
Aircraft serial
24803
Aircraft time
80,342 hours, 12,163 cycles
Engine
Pwa PW4060
Engine time
34,380 hours, 44,307 cycles
Part
Valve
Part number
97980612
Part serial
P1073
Condition
Unserviceable
Location
Apu
Part time
34,380 hours, 44,307 cycles
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
D

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

What was found

A/C RTN TO STAND LOW AIR PRESS FROM APU ENG WOULD NOT START APU AIR SUPPLY INOP MCO/PLACARD, INSTALLED PER MEL 49-11-01C. FOUND SURGE BLEED VLV STUCK IN OPEN POSITION CHANGED SAME, OP NOW NORMAL.