What was found
STL - DURING APPROACH WHEN LANDING GEAR WAS EXTENDED, RIGHT MAIN LANDING GEAR DID NOT SHOW DOWN AND LOCKED. CYCLED LANDING GEAR. FOUND RIGHT MAIN LANDING GEAR BUNGEE CYLINDER MALFUNCTION. REPLACED RIGHT MAIN LANDING GEAR BUNGEE CYLINDER, MFG P/N 3914016-5505. LANDING GEAR OPERATION AND INDICATION THEN CHECKED NORMAL. (M)