As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR WOULD NOT RETRACT AFTER T/O IN POS NR 1 SWITCHED TO NR 2 SYSTEM, STILL NO RETRACT. PROX BOX IS FAULTING ITSELF AND FAULT CODE 63. REMOVED AND REPLACED PROX BOX 54 GB PER MM 32-31-71-4. OPS CHECK OF BOX PER MM 32-31-71-4 CHECKED GOOD. FOUND LEVER ARM FOR NLG TORQUE LINK PROX DETECTORS BROKEN. REMOVED AND REPLACED LEVER ARM REF AMM 32-00-00-4 GEAR SWING OPS CHECK NORMAL.