Service difficulty report · Engine · Boeing 767306

Difficulty date
August 6, 2021
Submitted
April 4, 2022
Operation
Air carrier
Aircraft
N647GT
Make and model
Boeing 767306
Aircraft serial
27611
Aircraft time
81,935 hours, 22,043 cycles
Engine
Ge CF680C2B6F
Part
Engine
Condition
Vibration
Location
Left
Stage of operation
NR
How discovered
O
Nature of condition
E
Precautionary procedure
O

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

What was found

DURING FLIGHT LEFT ENGINE VIBES , MUCH HIGHER THAN RIGHT ENGINE FAN 3.1 OCCURRED ON MULTIPLE LEGS(<P>PER AMM 71-00-00 POWER PLANT OPERATION LIMITATIONS. FAN VIB OF 3.1 IS WITHIN LIMITS FOR CONTINUED OPERATION.