As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FIRE INDICATION. IAW QRH FIRE BOTTLE DISCHARGED. PERFORMED INSPECTION OF APU COMPARTMENT FOR EVIDENCE OF FIRE IAW MM 49-11-00. NO EVIDENCE OF FIRE NOTED. PERFORMED FIM PROCEDURE IAW CMC MSG 26005. PERFORMED APU COMPARTMENT CLEANING PROCEDURE AFTER FIRE EXTINGUISHER DISCHARGE IAW MM. APU & APU FIRE EXTINGUISHING SYST DEFERRED.