Service difficulty report · Engine · Boeing 777222

Difficulty date
March 14, 2023
Submitted
March 17, 2023
Operation
Air carrier
Aircraft
N775UA
Make and model
Boeing 777222
Aircraft serial
26947
Aircraft time
98,497 hours, 17,366 cycles
Part
Engine
Part number
UNKNOWN
Condition
Abnormal
Location
Right
Stage of operation
TO
How discovered
O
Nature of condition
O
Precautionary procedure
C

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

What was found

ASYMMETRIC THRUST ON T/O RIGHT ENGINE MAX LEFT ENG LAGGED. ACCOMPLISHED "LEFT & RIGHT TMC - AUTOTHROTTLE SERVO LOOP - SYS TEST" PER AMM TASK 22-31-00-730-802-- PASS. ALSO ACCOMPLISHED "TO/GA SW TEST" PER AMM 22-11-00/501 -- OK. PRESENT LEG & FAULT HISTORY ON MAT SHOWS "NO" FAULTS LAST 11 LEGS. NOTED INBD FLIGHT CREW COMMENT THAT "AUTOTHROTTLES ARE FUNCTIONING NORMALLY."