As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FIRE WARNING APU FIRE FAULT CAUTION APUD DOOR INHIB. APU AUTO SHUT DOWN AT 4000FT SPEED 210. INSPECTED AFT EQUIPMENT BAY & APU NO EVIDENCE OF FIRE. PLACED APU FIRE DETECTION ON MEL 26-12-11 CAT C PLACARD. INSTALLED COLLARED CB A1 CBP-5, CBP-1 N-12, CBP-1 S3, ACFT OK FOR SERVICE, COMPLETED DDG 49-10-11. R & R FIREX CONTROL UNIT IAW AMM 26-10-01. OPERATIONS CHECKED GOOD, REACTIVATE APU.