Service difficulty report · Control Valve · Boeing 767322

Difficulty date
May 26, 2001
Submitted
June 21, 2001
Operation
Air carrier
Aircraft
N644UA
Make and model
Boeing 767322
Aircraft serial
25094
Aircraft time
44,727 hours, 7,047 cycles
Engine
Pwa JT9D7R4D
Engine time
58,462 hours, 15,409 cycles
Part
Control Valve
Part number
7765555
Part serial
A1286
Condition
Out Of Rig
Location
Engine
Stage of operation
NR
How discovered
O
Nature of condition
M, J
Precautionary procedure
A

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

What was found

WEATHER RADAR INOP. DIVERTED TO MCO DUE TO T-STORMS IN MIA AREA. *S/D* ENGINE WAS REPLACED DUE TO OVERTEMP. DURING ENGINE PRE-REPAIR RUN, FOUND ENGINE VANE BLEED CONTROL (EVBC) WAS OUT OF TRIM. EVBC WILL BE OVERHAULED.