As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED BLEED AIR WARNING INDICATION ON LEFT SIDE. TROUBLE SHOT AND FOUND EVA TUBING MELTED BELOW HEAT DUCT. DISCOVERED EARLIER REPAIR (WITHIN 1O HOURS) OF RIGHT SIDE TUBING 2 INCHES FROM LATEST FAILURE. TUBING IS COMING IN CONTACT WITH DUCT AND MELTING. ANOTHER STANDOFF IS REQUIRED TO MAINTAIN TUBING CLEARANCE NOTED IN MM. 1683 HOURS TOTAL TIME