Service difficulty report · Eec · Boeing 777222

Difficulty date
October 7, 2010
Submitted
October 8, 2010
Operation
Air carrier
Aircraft
N786UA
Make and model
Boeing 777222
Aircraft serial
26938
Aircraft time
59,307 hours, 8,681 cycles
Engine
Pwa PW4090
Part
Eec
Condition
Malfunctioned
Location
Rt Engine
Stage of operation
IN
How discovered
9
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

ENG EEC C1 R RT ENGINE CONTROL IS IN A TIME LIMITED DISPATCH CONDITION. ENGINE CONTROL SYS IS OPERATING WITH REDUCED REDUNDANCY. STATUS MSG01- NOT ACTIVE CRUISE MODE DEPENDENT; EEC PERMANENT MAGNET ALTERNATOR (RT ENG, CH B) WINDING IS INOPERATIVE. DB- ELECTRONIC ENGINE CONTROL (RT ENG, CH B) MSG02-NOT ACTIVE CRUISE MODE DEPENDENT; EEC PERMANENT MAGNET ALTERNATOR (RT ENG, CH B) WINDING IS INOPERATIVE. MSG-7351192 INACTV ER MODE MSG-7351192 INACTV ER MODE -MAINT MSG 73-51192. REPLACED PMA AND TESTED.