What was found
AFTER TAKEOFF, RT MLG DOOR LIGHT REMAINED ON. PUT MLG DOWN, RETURNED TO PIT. RELEASED FOR SERVICE IAW MEL: 32-61-01-C CATEGORY: B EXPIRATION: 28APR10 "MEL 32-61-01-C: RT MLG DOOR INDICATORS SYS NR 1 - INOP." TESTED RT MLG DOOR IAW MM 21-31-00-5 GROUND OPENING TEST. CK GOOD. INSPECTED DOOR & SWITCHES CHECK GOOD. NO BUFFETING NOTED BY CREW, NO UPPER INDICATIONS NOTED BY CREW, NO 99 DAY HISTORY. INSTALLED RT DOOR SEQUENCE VALVE IAW 32-31-37-4 LEAK TEST GOOD FOR VALVE AND RESTRICTOR, RT LG DOOR STILL WILL NOT STAY LATCHED WHEN HYD OFF REF WRI 32-30-3231 ITEM IS NOW BEING WORKED UNDER THIS WRI DUE TO SECOND AIR TURN BACK AND RT MLG REPEAT WRITE-UP. AWAITING TDR RESULTS.