What was found
APU FIRE WARNING IN FLT WITH APU OFF, RETURN TO BLOCK. MAINTENANCE PERFORMED APU FIRE WARNING INSPECTION AND FOUND NO DEFECTS, ACFT RETURN TO SERVICED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU FIRE WARNING IN FLT WITH APU OFF, RETURN TO BLOCK. MAINTENANCE PERFORMED APU FIRE WARNING INSPECTION AND FOUND NO DEFECTS, ACFT RETURN TO SERVICED.