What was found
DURING EXTENSION OF MLG, NOTICED RT MLG WOULD NOT EXTEND. NO INTRANSIT OR DOWN & LOCKED IND. CREW ATTEMPTED A VISUAL TO CONFIRM MLG EXTEND BUT COULD NOT SEE IT FROM INSIDE A/C. CREW MANUALLY EXTENDED MLG. MLG PROCEEDED TO COME DOWN & REMAINED LOCKED. MX CONTACTED & FLT PERMIT ISSUED FOR FLT BACK TO BASE. MLG REMAINED DOWN & LOCKED FOR REMAINDER OF FLT. MX SWUNG MLG & FOUND RT OB MLG POSITIONING BELLCRANK BEARING RIDING ON THE BELLCRANK DUE TO WEAR IN BELLCRANK TRUNNION PIN BUSHING & PIN CAUSING SIDE TO SIDE 'ROCKING' OF BELLCRANK. MINOR EVIDENCE OF POSITIONING CAM RIDING ON BELLCRANK & NOT BEARING, CAN BE SEEN ON BELLCRANK. MX REPLACED BELLCRANK & INSP REMAINING MLG COMPONENTS & SWUNG MLG WITH NO PROBLEMS.