What was found
HORN SOUNDING, AVIONIC VENT SYS FAULT, NO DATA FROM AEVC. REPLACED AEVC IAW AMM, SYS OPERATIONS CHECKED NORMAL, FAULT CLEARED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HORN SOUNDING, AVIONIC VENT SYS FAULT, NO DATA FROM AEVC. REPLACED AEVC IAW AMM, SYS OPERATIONS CHECKED NORMAL, FAULT CLEARED.