What was found
LANDING GEAR FAILED TO RETRACT DURING CLIMB, FOLLOWED QRH, GEAR MOVED NORMAL, RETURNED TO BLOCK. MAINTENANCE INSPECTED AND REPLACED LANDING GEAR ELECTRONIC UNIT, OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LANDING GEAR FAILED TO RETRACT DURING CLIMB, FOLLOWED QRH, GEAR MOVED NORMAL, RETURNED TO BLOCK. MAINTENANCE INSPECTED AND REPLACED LANDING GEAR ELECTRONIC UNIT, OPS CHECK GOOD.