Service difficulty report · Controller · Boeing 757222

Difficulty date
January 12, 2003
Submitted
February 12, 2003
Operation
Air carrier
Aircraft
N589UA
Make and model
Boeing 757222
Aircraft serial
28707
Aircraft time
20,992 hours, 5,715 cycles
Engine
Pwa PW2037
Engine time
35,626 hours, 11,827 cycles
Part
Controller
Part number
33990047U1
Part serial
MR36137201
Condition
Failed
Location
Engine
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

LEFT ENGINE BLEED PRESSURE REGULATING AND SHUTOFF VALVE FAILURE PRIOR TO ENTERING ETOPS ENVIRONMENT. SUPPLEMENTAL DATA UPDATE HIGH STAGE PILOT CONTROLLER FAILED. REPLACED HIGH STAGE PILOT CONTROLLER.