What was found
ENVIRONMENTAL (HEAT) INOPERATIVE. LT PRECOOLER THROUGH VALVES FAILED. REPLACED LEFT BYPASS AND THROUGH VALVES.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ENVIRONMENTAL (HEAT) INOPERATIVE. LT PRECOOLER THROUGH VALVES FAILED. REPLACED LEFT BYPASS AND THROUGH VALVES.