What was found
MASTER WARNING AND FIRE BELL INTERMITTENT ON TAXI IN. AFTER ENGINE SHUTDOWN AND APU POWER ONLINE THE PROBLEM CEASED. PERFORMED FIRE WARNING SYSTEM OPERATIONAL CHECKS WITH NO DEFECTS NOTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MASTER WARNING AND FIRE BELL INTERMITTENT ON TAXI IN. AFTER ENGINE SHUTDOWN AND APU POWER ONLINE THE PROBLEM CEASED. PERFORMED FIRE WARNING SYSTEM OPERATIONAL CHECKS WITH NO DEFECTS NOTED.