As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE AFTER SELECTING GEAR UP THE LDG GEAR INOP CAUTION ILLUMINATED. LANDING GEAR DISAGREEMENT LIGHT WAS ILLUMINATED. NO OTHER LANDING GEAR LIGHTS WERE ILLUMINATED. REMOVED FROM SERVICE. R&R NGLK1 PROX SENSOR HARNESS DUE TO "NGLK1 PROX SENS OPEN" FAULT. OPERATIONAL TEST OF THE GEAR EXTENSION & RETRACTION CHECKED GOOD IAW AMM 32-31-00-710-801. CLEARED FAULT, FAULT DID NOT RETURN. RETURNED TO SERVICE.