Service difficulty report · Valve · Boeing 767322

Difficulty date
July 16, 2010
Submitted
July 16, 2010
Operation
Air carrier
Aircraft
N651UA
Make and model
Boeing 767322
Aircraft serial
25389
Aircraft time
79,312 hours, 12,758 cycles
Engine
Pwa PW4060
Part
Valve
Part number
32896961
Part serial
188
Condition
Faulty
Location
Lt Acm
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

APU NOT COOLING WITH PACKS IN FULL COLD. FOUND LT PACK NOT COOLING. REPLACED LT COMPRESSOR OUTLET TEMP SENSOR, LT PACK CONTROL ASSY AND LT PACK LOW LIMIT VALVE. RAN PACK FOR 45 MINUTES. OPS CK OK.