As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIE - FLT 220 - LEFT MAIN GEAR UNSAFE LIGHT CAME ON DURING DESCENT FOLLOWED BY VIBRATION. PUT RIGHT HYDRAULIC PUMP ON HIGH. LIGHT WENT OUT AND VIBRATION STOPPED. REDUCED SPEED BELOW 300 KNOTS. AIRCRAFT INSPECTED FOR FERRY FLIGHT TO DTW. FOUND TO BE OK FOR MAINTENANCE FERRY TO DTW. ADJUSTED LT AND RT MAIN GEAR DOOR LATCH MECHANISMS IAW DC-9 MM 32-31-4. (X)