What was found
DURING CRUISE AT FLT LEVEL 390 LEFT ENGINE FLUCTUATED ERRATICALLY 400 DEGREES, OTHER PARAMETERS NORMAL
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CRUISE AT FLT LEVEL 390 LEFT ENGINE FLUCTUATED ERRATICALLY 400 DEGREES, OTHER PARAMETERS NORMAL