What was found
APU FIRE WARNING HORN WON'T SOUND DURING FIRE, OVERHEAT TEST. REPLACED APU FIRE WARNING HORN AT APU REMOTE CONTROL PANEL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU FIRE WARNING HORN WON'T SOUND DURING FIRE, OVERHEAT TEST. REPLACED APU FIRE WARNING HORN AT APU REMOTE CONTROL PANEL.