As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU OIL CONSUMPTION ABOVE LIMIT. WHILE PREPPING FOR APU CHANGE FOUND FLOW SENSING MODULE LOOSE AND MISSING. MOUNT HARDWARE FOUND IN CONTACT WITH SCAVANGE LINE BELOW SHOP. TESTED LINE. FOUND CRACKED AND LEAKING. REPLACED LINE AND INSTALLED MOUNT HARDWARE.