What was found
MAIN LANDING GEAR DISAGREE WNG MESSAGE INFLIGHT. RT MLG WAS INDICATING NOT DOWN AND LOCKED. FOLLOWED QRH TO INCLUDE MANUAL GEAR SELECTION. MLG DISAGREE WARNING PERSISTED. ENROUTE, ACFT DIVERTED DUE TO MX. EMERGENCY DECLARED. PERFORMED MLG EXTENSION OPS CHECKS IAW AMM 32-30-00, FOUND RT MLG DOOR COMING IN CONTACT OF PANEL 194AB NOT ALLOWING MLG TO EXTEND. REFER TO W/O 176690 AND WO 176868 FOR ALL DAMAGE INCURRED ON LANDING. LT & RT INBD DOORS REMOVED TO CDL. COMPLIED WITH REO 690-51-00-45. RETURN TO SERVICE STRUCTURAL AND SYS REPAIRS. INSP COMPLIED WITH SATISFACTORY IAW GMM 3-3.