Service difficulty report · Eec · Boeing 777222

Difficulty date
June 16, 2008
Submitted
July 1, 2008
Operation
Air carrier
Aircraft
N229UA
Make and model
Boeing 777222
Aircraft serial
30557
Aircraft time
25,820 hours, 3,277 cycles
Engine
Pwa PW4090
Engine time
28,913 hours, 3,849 cycles
Part
Eec
Condition
Malfunctioned
Location
Lt Engine
Stage of operation
IN
How discovered
O
Nature of condition
W
Precautionary procedure
O

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

What was found

ENGINE EEC C1 L LEFT ENGINE CONTROL IS IN A TIME LIMITED DISPATCH CONDITION. ENGINE CONTROL SYSTEM IS OPERATING WITH REDUCED REDUNDANCY. STATUS MSG-7361081 INACTV ER INTER, MAINT MESSAGE 73-61081 PRESENT T-3 THERMOCOUPLE PROBE. MSG NOT ACTIVE, INTERMITTENT.