As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AMBER "MANUAL GEAR EXTENSION ACCESS DOOR OPEN" LIGHT ON THE BACKEND OF THE AFT ELECTRONICS PANEL IS INOPERATIVE. FOUND MANUAL GEAR EXTENSION ACCESS DOOR OPEN AMBER LIGHT ASSEMBLY TERMINAL CONNECTION DISCONNECTED. RESECURED TERMINAL, PER SWPM20-30-00. OPERATIONAL CHECK GOOD.