What was found
ON DEPARTURE FROM TPE, GEAR INDICATED UP AND LOCKED (GREEN AND YELLOW LIGHTS ON INDICATOR). CYCLED HANDLE AND YELLOW LIGHTS WENT OUT WITH GEAR HANDLE DOWN. UPON PLACING GEAR HANDLE UP AGAIN, HANDLE WOULD NOT COME PAST NEUTRAL; YELLOW LIGHTS ON WITH GREEN LIGHTS AND GEAR WOULD NOT RETRACT. FOUND SYS 1 RETRACT CTL 2 GB C/B POPPED. CK'D WIRING PER AWM 32-62-04 AND REMOVED AND REPLACED PROXIMITY DETECTOR PROCESSING UNIT PER M/M 32-61-00. PERFORMED SIMULATED FLT/GND CONFIGURATION TEST. ALL FUNCTIONS CK'D NORMAL PER M/M 32-00-00.