What was found
PIT - FLT 422 - NO EMERGENCY DECLARED, LANDING NORMAL. STRONG VIBRATION NOTED IN MID CABIN WHEN FLAPS EXTENDED FOR LANDING. ADJUSTED LEFT TRAILING EDGE AFT FLAP PER MM 27-51-12, OPS CHECK NORMAL. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PIT - FLT 422 - NO EMERGENCY DECLARED, LANDING NORMAL. STRONG VIBRATION NOTED IN MID CABIN WHEN FLAPS EXTENDED FOR LANDING. ADJUSTED LEFT TRAILING EDGE AFT FLAP PER MM 27-51-12, OPS CHECK NORMAL. (M)