As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERSION, DECLARED A MAYDAY, PAN PAN. APU FIRE MESSAGE DURING CRUISE AFTER BOTTLE DISCHARGE OF APU FIRE BOTTLE. APU FIRE INDICATION WAS STILL ON INTERMITTENT. THE FIRE BELL WOULD NOT SILENCE. REFERENCE TASK I.D.# T3F18E000LR1W & T3F18E000LR20. OPERATIONAL CHECK GOOD ALONG WITH ALL DMP'S REVERSED & MEL'S C/W. REPLACED W720-451-18R BETWEEN CONNECTOR D63P TO T1814 PER SWPM 28-10. OPS CKS PER AMM 26-15-00-501. ORIG SUB DATE: 11/14/2022