What was found
TAKEOFF AT IND, MLG WOULD NOT RETRACT. C-W QRH. RETURNED. EMERG DECLARED. AMM 32-31-00-05, NLG RETRACT FULLY, GREEN ON BOTH MLG INDS, BOTH LT & RT MLG STAYED GREEN DOWN ON INDS. PERFORMED MLG EXTEND & RETRACT AT GATE & VERIFIED ALL MLG DOORS EXTEND & RETRACT. PERFMED EXTEND & RETRACT TEST. AFTER 1ST MLG CYCLE, FOUND 2 DOWNLOCK LIGHTS BURNED OUT. REPLACED LAMPS. DURING SWINGS NEVER GOT GREEN UP ON CONTROL SWITCH 2GA. RECOMMEND REPLACE PROX BOX 54GB & 2GA AS PRECAUTION. FAULT 63 W/ BOX LIGHT ILLUMD. R & R PROX DET PROCESSOR UNIT. IAW WRI 32-60/7542 FOR WORK. CONT CHK OF MICROSWITCH 2GA & OPS CHKD GOOD. EXTEND & RETRACT MLG MULTIPLE TIMES ON SYS 1 & 2 ALL INDS NORMAL. NO MESSAGES.