As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXCESSIVE VIBRATION ON APPROACH FLAPS 5. FOUND E&E DOOR SEAL DAMAGED AT TWO PLACES AND FREEPLAY AT ELEV TRIM TAB IS OUT OF LIMITS. REPLACED E&E DOOR SEAL AND REPLACED THE FLANGED BUSHINGS ON ELEVATOR FITTING FOR TAB ATTACH HINGE AT POSITIONS NR 1, 3, AND 4. ACCOMPLISHED FREE PLAY CHECK NO FURTHER VIBRATIONS NOTED ON SUBSEQUENT FLIGHTS.