As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER GEAR RETRACTION TAIL SKID ANNUNCIATOR LIGHT ILLUMINATED WHEN GEAR HANDLE PLACED TO OFF. CYCLED GEAR, SAME INDICATION. AIR TURNBACK TO PDX. CORRECTIVE ACTION: CLEANED AND LUBED TAIL SKID SWITCHES, SYSTEM OPS CHECK NORMAL PER M/M 32-71.