As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, NOTICED NR 2 PRECOOLER OUTLET TEMPERATURE IS AMBER, INDICATOR 115 DEGREES & DECREASING. AC HAS MESSAGE OF FAN AIR V 9HA2 OR THERMOSTAT 7170 HM2. REPLACED FAN AIR THERMOSTAT. CHECKED PRECOOLER FOR MISSING COOLING TUBES NO MISSING TUBES. ACP ENGINE RUN BLEED TEMPERATURES OK & STABLE. OK FOR SERVICE