As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE HAD A MINOR FAULT AND NR 2 AIR EXCHANGER FAULT ILLUMINATED DURING ROLLOUT, AFTER MOVING THRUST REVERSER LEVER TO IDLE REVERSE POSITION. PERFORMED TSM 79-20-00-810-809-A, FADEC SYSTEM TESTED OK. AIR/OIL HEAT EXCHANGER VALVE OPERATES SMOOTHLY. OK FOR SERVICE.