Service difficulty report · Controller · Boeing 777222

Difficulty date
May 25, 2008
Submitted
May 28, 2008
Operation
Air carrier
Aircraft
N785UA
Make and model
Boeing 777222
Aircraft serial
26954
Aircraft time
49,324 hours, 7,323 cycles
Engine
Pwa PW4090
Part
Controller
Condition
Faulty
Location
Lt Engine Bleed
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

LEFT ENGINE BLEED INOP IN FLIGHT. SUSPECT FAULTY HIGH PRESSURE FAN AIR CONTROLLER. REPLACED LT HPFAC RAN BOTH ENGINES. OP CHECKED GOOD. AC OK FOR SERVICE.