As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FIRE INDICATION ON CLIMBOUT AT FL240. APU HANDLE WAS PULLED AND BOTTLE DISCHARGED. REPLACED HARNESS M/E 24-2611-3-0003 IAW WDM 26-11-31 RE N/R4479597. ALSO REPLACED M717 (APU TAILPIPE OVERHEAT DETECTOR P/N 10-61096-217) AND M515 (APU TAILPIPE DETECTOR P/N 10-61096-417) WDM 26-11-31 PG 2 REF N/R4479596. OP CHECK GOOD. REF N/R4479598 FOR OPS CHECK PER AMM 26-11-00. ALSO REPLACED APU FIRE BOTTLE DUE TO DISCHARGE 24-2622-9-9001, P/N 33007507, S/N 33336B1.