What was found
AIRCRAFT WAS GROUNDED: APU AGENT DISCHARGE LIGHT ILLUMINATED. REPLACED APU FIRE EXTINGUISHER BOTTLE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 26-22-41
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: APU AGENT DISCHARGE LIGHT ILLUMINATED. REPLACED APU FIRE EXTINGUISHER BOTTLE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 26-22-41