As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKEOFF, THE LANDING GEAR DID NOT RETRACT AFTER GEAR UP SELECTION, AIRCRAFT RETURNED TO BASE AND MADE A NORMAL LANDING. A CHECK OF THE PSEU SHOWED THAT THE PROX SENSOR FOR NWCENT WAS INDICATING DASHES. HARNESS ASSY (P/N: 47151-5) REPLACED IAW AMM 32-61-00. AIRCRAFT RTS.