Service difficulty report · Eec · Boeing 757222

Difficulty date
March 1, 2012
Submitted
March 28, 2012
Operation
Air carrier
Aircraft
N550UA
Make and model
Boeing 757222
Aircraft serial
25398
Aircraft time
76,414 hours, 22,177 cycles
Engine
Pwa PW2037
Part
Eec
Part number
1B7486
Part serial
54
Condition
Faulty
Location
Engine
Stage of operation
IN
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

NO REVERSE ABOVE IDLE REVERSE BOTH ENGINES. ON EPCS SHOWED P & S 2.5 BLEED-EEC, P351-25, S351-25, P350-22. CHECK WIRES FROM 2.5 BLEED TO EEC NO FAULTS FOUND. REPLACED EEC AND TESTED ON ENGINE RUN. BOTH ENGINES REVERSED AND INTERLOCK RELEASED ALLOWING REVERSE POWER.