What was found
FLT 72 - ORF-PHF - AIRCRAFT HAS VIBRATION ABOVE 180 KNOTS. AIRCRAFT TURNED BACK TO ORF AND LANDED WITHOUT INCIDENT. PERFORMED PROP BALANCE AND ADJUSTED PROP BALANCE WEIGHTS ON NR 1 PROP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 72 - ORF-PHF - AIRCRAFT HAS VIBRATION ABOVE 180 KNOTS. AIRCRAFT TURNED BACK TO ORF AND LANDED WITHOUT INCIDENT. PERFORMED PROP BALANCE AND ADJUSTED PROP BALANCE WEIGHTS ON NR 1 PROP.