What was found
LEFT MAIN GEAR INDICATED UNSAFE GROUND OUT RED ON WARN HORN SOUND. REMOVED AND REPLACED MAIN DOWN LOCK SENSOR PER 727 MM 32-61-91. ALSO, JACK AC PER 727 MM 07-11-000-2, OP CK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT MAIN GEAR INDICATED UNSAFE GROUND OUT RED ON WARN HORN SOUND. REMOVED AND REPLACED MAIN DOWN LOCK SENSOR PER 727 MM 32-61-91. ALSO, JACK AC PER 727 MM 07-11-000-2, OP CK GOOD.