What was found
HORN SOUNDED IN FLIGHT FOR LESS THAN 1 SECOND. ROTOR RPM REMAINED STEADY AND NO WARNING LIGHTS ILLUMINATED. REMOVED AND REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HORN SOUNDED IN FLIGHT FOR LESS THAN 1 SECOND. ROTOR RPM REMAINED STEADY AND NO WARNING LIGHTS ILLUMINATED. REMOVED AND REPLACED.