Service difficulty report · Controller · Boeing 757222

Difficulty date
April 8, 2013
Submitted
June 6, 2013
Operation
Air carrier
Aircraft
N595UA
Make and model
Boeing 757222
Aircraft serial
28748
Aircraft time
58,666 hours, 16,414 cycles
Engine
Pwa PW2037
Part
Controller
Part number
33990046U2
Part serial
638
Condition
Faulty
Location
Nr 1
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

ENGINE DUCT PRESSURES SPLIT DURING CRUISE WITH ISOL VLV CLOSED & BLEED SWITCH SELECTED ON. RECORD DUCT PRESSURES. REPLACED 14TH STG CONTROLLER. REVERSED MEL RAN PER JRH, OPS CHECK GOOD.