Service difficulty report · Transmitter · Boeing 777222

Difficulty date
February 10, 2012
Submitted
March 2, 2012
Operation
Air carrier
Aircraft
N788UA
Make and model
Boeing 777222
Aircraft serial
26942
Aircraft time
65,340 hours, 9,330 cycles
Engine
Pwa PW40903
Part
Transmitter
Part number
44200
Part serial
92
Condition
Faulty
Location
Oil System
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

ENG EEC C1 L LEFT ENGINE CONTROL IS IN A TIME LIMITED DISPATCH CONDITION. ENGINE CONTROL SYSTEM IS OPERATING WITH REDUCED REDUNDANCY. STATUS MSG01- NOT ACTIVE CLIMB INTERMITTENT; OIL PRESSURE TRANSMITTER (L ENG, CH B) PRESSURE IS OUT OF RANGE. DB-ELECTRONIC ENGINE CONTROL (L ENG, CH B) MSG02- ACTIVE CLIMB INTERMITTENT; OIL PRESSURE TRANSMITTER (L ENG, CH B) PRESSURE IS OUT OF RANGE. MSG-7950821 INACTV CL INTER MSG-7950821 ACTIVE CL INTER. REPLACED OIL PRESSURE TRANSMITTER.