As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER T/O L/G WOULD NOT RETRACT. TRIED BOTH POS DET 1&2 L/G LEVER WOULD NOT MOVE PAST OFF POSITION. DIVERTED, IAW FLT CONTROL. FAILURE CODE "65" DETECTED ON PROXIMITY DETECTOR PROCESSING UNIT WHILE PERFORMING T/S IAW FIM 32-30-00. PG. 105 FIG 108. R & R PROXIMITY DETECTOR PROCESSING UNIT IAW BITE TEST RECOMMENDATION IAW AMM 32-31-71-04. TECH RECOMENDS R & R L/G NORMAL CONTROL M/S UNIT (22GA). REF LOG PAGE 466894 ITEM 2 FOR R & R MICROSWITCH UNIT.