What was found
ON DEPARTURE LG WOULD NOT RETRACT ON SYS 2, SWITCHED TO SYS 1 & GEAR WOULD STILL NOT RETRACT. ALL GEAR REMAINED GREEN & DOORS SHOWED UNLOCK UNTIL HANDLE PLACED BACK DOWN. ON ARRIVAL, FOUND FAULT LIGHT ON PROX BOX 54GB. PERFORMED MEMORY RECALL ON 54GB & GOT A CODE 63 & A BOX FAULT LIGHT. NO OTHER ASSOCIATED FAULTS OR CODES. NO NEAR/FAR, NO TARGET, NO OTHER CODES. ACFT TO FLY MEL CONFIGURATION WITH GEAR DOWN. MEL MX PROCEDURE IS ACCOMPLISHED & SEPERATE OIL CREATED. ACFT IS OKAY TO CONTINUE. R & R PROX DETECT PROCESSING UNIT IAW MM. COMPLETED TEST WITH NO FAULTS. JACKED ACFT IAW MM & PERFORMED MULTIPLE GEAR SWINGS IN BOTH SYS 1 & 2 WITH NO FAULTS. RAN TEST AGAIN ONCE ACFT BACK ON GROUND WITH NO FAULTS.