As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RED GEAR UNSAFE LIGHT CAME ON AFTER GEAR RETRACTION WITH RT GEAR DOOR LIGHT ON FLIGHT ENGINEER'S PANEL. RECYCLED GEAR, ALL INDICATIONS NORMAL. MAINTENANCE FOUND DOOR ROLLER OUT OF ADJUSTMENT AND AFT ARM WORN. REPLACED ARM, ADJUSTED MAIN GEAR DOOR UPLATCH MECHANISM IAW MM 32-31-04-4. PERFORMED ADJUSTMENT TEST IAW MM 32-31-04-5.