As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: PILOT REPORTS APU FIRE BOTTLE DISCH ILLUMINATED. COULDN'T FIND ARMS CODE. LIGHT WENT OUT AFTER LANDING. ***SUPPLEMENTAL INFORMATION: MAINTENANCE PERFORMED FIM 26-22-00. REMOVED AND REPLACED ENG/APU PANEL IAW AMM 26-12-12. PERFORMED ALL REQUIRED TESTS. OPS CHECKS NORMAL. (CLOSED)