What was found
UNUSUAL VIBRATION FELT IN FLOOR OF AC DURING FLIGHT, STRONGEST VIBRATION IN OVERWING AREA AT CABIN. ALSO A SUBTLE YAWING MOTION FELT IN REAR GALLEY AREA EVERY FEW SECONDS. PASSENGER OBSERVED LT IB FLAP TRACK FAIRING WAS VIBRATING. PRECAUTIONARY EMERGENCY DECLARED & AC DIVERTED. (CREW REPORTED NO NOISE ASSOCIATED WITH VIBRATION) DURING CONDITIONAL INSPECTION OF MLG WING DOORS, FOUND LT MLG WING DOOR OUT OF ADJUSTMENT. ADJUSTED LT MLG WING DOOR IAW MM TASK 32-12-21-000-801