What was found
ORD - FLT 5764 - AIRCRAFT HAS PRONOUNCED VIBRATION DURING CRUISE FLIGHT. MAINTENANCE BALANCED NR 1 AND NR 2 PROP ASSEMBLIES. SYSTEM OPS CHECK GOOD. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD - FLT 5764 - AIRCRAFT HAS PRONOUNCED VIBRATION DURING CRUISE FLIGHT. MAINTENANCE BALANCED NR 1 AND NR 2 PROP ASSEMBLIES. SYSTEM OPS CHECK GOOD. (M)