Service difficulty report · Unknown · Boeing 777222

Difficulty date
January 12, 2012
Submitted
January 13, 2012
Operation
Air carrier
Aircraft
N213UA
Make and model
Boeing 777222
Aircraft serial
30219
Aircraft time
41,264 hours, 8,987 cycles
Engine
Pwa PW4077
Part
Unknown
Condition
Malfunctioned
Location
Lt Engine
Stage of operation
UK
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

ENG EEC MODE L LEFT ENGINE ELECTRONIC ENGINE CONTROL (EEC) IS IN THE ALTERNATE CONTROL MODE DUE TO A CONTROL SYSTEM FAULT. STATUS MSG01- NOT ACTIVE TAKEOFF ROLL MODE DEPENDENT; ENG PRESS RATIO (EPR) (L ENG) P4.95 MANIFOLD IS BLOCKED OR LEAKING. DB- ELECTRONIC ENGINE CONTROL (L ENG, CH B) MSG-7761121 INACTV TO MODE.