As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMELL OF SOMETHING POSSIBLY WARM AFTER STARTING APU ON DESCENT TO ASE. APU FIRE WARNING ON SHORT FINAL TO ASE. FLIGHT 5630 - FILED CLOSED PERFORMED INSPECTION OF APU COWLING NOTICED OIL STREAK COMING FROM APU DRAIN HOLES. OPENED APU COWLING AND INSPECTED THE APU NO VISUAL EVIDENCE OF FIRE IN REFERENCE TO CRJ 700 AMM 49-10-00. INTERROGATED AIRCRAFT'S MDC ONLY B1 CODE WAS 005970 IN REFERENCE TO CRJ 700 AMM 45-45-00.