As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA-AFTER TAKEOFF, GEAR WOULD NOT RETRACT. TRIED THREE CYCLES WITHOUT SUCCESS.RETURNED TO FIELD, ACCOMPLISHED UNEVENTFUL LANDING. REMOVED AND REPLACED WOW #2 HARNESS. C/W LANDING GEAR OPERATIONAL CHECK. LANDING GEAR RETRACTION AND EXTENSION OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.