As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FIRE DETECTOR INOPERATIVE, LIGHT DOES NOT ILLUMINATE ON TEST, ALL OTHER FIRE INDICATIONS OPS. FOUND M279 ENGINE & APU FIRE DETECTION CONTROL MODULE NOT FULLY SECURED. SECURED & OPS CHKD GOOD IAW AMM 26-10-01. APU FIRE DETECTOR TEST OPS NORMAL. NO OTHER FAULTS NOTED.