What was found
UPON GEAR RETRACT AFTER T/O RED RT GEAR LIGHT ILLUMINATED & AMBER RT MLG DOOR LIGHT ON S/O PANEL ILLUMINATED. MOVED GEAR HANDLE TO DOWN POS. 3 GREEN DOWN/LOCKED INDICATION & NO RED RT AMBER LIGHTS RAISED GEAR HANDLE AND RED RT GEAR LIGHT AND RT MLG DOOR LIGHT ILLUMINATED. NOTICE A QTY DECREASED TO .6 GALLONS MOVED GEAR HANDLE TO OFF & GOT GREEN RT GEAR LIGHT, RED RT GEAR LIGHT OFF & AMBER R MLG DOOR LITE ON S/O PANEL. APPLIED QRH AND LANDED EVENTFULLY. HYD QTY NEVER GOT TO 0 AND NEVER GOT LOW PRESS LITES. FOUND RT MLG LOCK ACTUATOR CRACKED AND LEAKING. R&R RT MLG LOCK ACTUATOR PER MM 32-32-061-4 NO LEAKS NOTED OPS CK OF MLG IAW MM B727-100 32-32-0 A/C OK 4 FLT