Service difficulty report · Engine · Boeing 777222

Difficulty date
June 15, 2012
Submitted
June 23, 2012
Operation
Air carrier
Aircraft
N788UA
Make and model
Boeing 777222
Aircraft serial
26942
Aircraft time
66,629 hours, 9,489 cycles
Engine
Pwa PW40903
Engine time
59,356 hours, 8,165 cycles
Part
Engine
Part number
PW4903
Part serial
222026
Condition
Surges
Location
Left
Part time
59,356 hours, 8,165 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

BOTH ENGINES SHOWING SILENT SURGES.