What was found
AIR TURNBACK, UNSAFE LANDING GEAR INDICATION AFTER GEAR RETRACTION. WARNING HORN ALSO SOUNDED. REMOVED AND REPLACED LANDING GEAR M990 LOGIC CARD PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, UNSAFE LANDING GEAR INDICATION AFTER GEAR RETRACTION. WARNING HORN ALSO SOUNDED. REMOVED AND REPLACED LANDING GEAR M990 LOGIC CARD PER MM.