As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE/SMELL FLIGHT 5010 PILOTS REPORTED THE IDLE UNLOCK LIGHT ILLUMINATED IMMEDIATELY AFTER LIFTOFF. LIGHT EXTINGUISHED AFTER 3-4 MINUTES. LIGHT ILLUMINATED AGAIN AT TOUCHDOWN ACCOMPANIED BY SMOKE IN THE COCKPIT. MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR RELAY BOX AND OPERATIONALLY CHECKED THE SYSTEM IAW MM 32-31 ON GROUND ALL OK. SUBSEQUENT OPERATIONAL CHECK FLIGHT WAS UNSATISFACTORY. MAINTENANCE REMOVED AND REPLACED THE RT AIR/GROUND PROX SENSOR IAW MM 32-01. RII INSPECTION COMPLIED WITH IAW GMM 4.3.8.