What was found
NR 1 GEAR SYSTEM WOULD NOT RETRACT GEAR AFTER T/O. NR 2 BROUGHT GEAR UP BUT LOST NUMEROUS SYSTEMS AFTERWARDS, SUCH AS A/C PRESSURIZATION, A/C PITOT/HEAT SYSTEM, TRANSPONDER, ETC. REPEAT TROUBLE SHOT PER TSM 32-61-00 SENSORS 55GB FOUND TO BE BAD. NIS IN MEM ORDER SAME. INSP HARNESS TO SENS OR FOUND PLUG AT JUNCTION BOX TO BE LOOSE. REMOVED AND REPLACED HARNESS AS A PRECAUTIONARY ON SYSTEM NR 1. ALSO, AS A PRECAUTIONARY REPLACED RELAY 20GB. OPERATED GEAR, GEAR OPERATED NORMALLY IN BOTH SYSTEMS, A310 MM 32-21-44-4.