As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LANDING GEAR WOULD NOT RETRACT AFTER TAKE OFF, RETURNED. DECLARED EMERGENCY. FOUND ACTIVE MESSAGE (NLG WOFW 2 SNSE/WRG FAULT. FAULT CODE 32612303PSS. CARRIED OUT T/SING AS PER FIM 32-61-00-810-891-A.. RESET BREAKER MAU 3 PWR 1.RHCBP (DC ESS BUS 2) TRANSITORY CONDITION OF THE PROXIMITY SENSOR ELECTRONIC MODULE 2. FAULT MESSAGE CLEARED. CLEANED CORROSION AS PER STANDARD PRACTICES. RE-INSTALLED CANON PLUG AND TESTED SENSOR POSITION THROUGH CMC PSEM TEST. TESTED SERVICABLE.