What was found
DCA - FLT 556 - ON DEPARTURE FROM TPA, EN ROUTE TO DCA, THE RIGHT MLG RED AND GREEN LIGHTS REMAINED ILLUMINATED AFTER GEAR RETRACTION AND GEAR LEVER IN OFF POSITION. CREW ACCOMPLISHED QUICK REF HANDBOOK PROCEDURES AND RECYCLED LANDING GEAR. CREW RECEIVED NORMAL GEAR INDICATION AND CONTINUED FLIGHT ONTO DCA. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE CHECKED THE RIGHT MLG AND DOWNLOCK PROXIMITY SWITCHES AND CLEANED. CHECKED LOGIC CARDS FOR THE RT MLG AND RESEATED. PINNED GEAR AND RAISED AND LOWERED GEAR HANDLE. GEAR INDICATION CHECKS GOOD. (M)