What was found
UNUSUAL AND STRONG VIBRATION BETWEEN 12,500 AND 13,000 FEET. INSPECTED AIRCRAFT FOR CAUSE OF VIBRATION AND FOUND NO DEFECTS. REPLACED LT ENGINE AUX GENERATOR FOR TROUBLE SHOOTING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNUSUAL AND STRONG VIBRATION BETWEEN 12,500 AND 13,000 FEET. INSPECTED AIRCRAFT FOR CAUSE OF VIBRATION AND FOUND NO DEFECTS. REPLACED LT ENGINE AUX GENERATOR FOR TROUBLE SHOOTING.