As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATED AFTER TAKEOFF. FOLLOWED QRH PACK LIGHT WENT OUT. PACK LIGHT OUT, BUT ILLUMINATED ON RECALL. ACFT GROUNDED. ACCOMPLISHED BITE OF BOTH PACK TEMP CONTROLLERS FIM TASK 21-62-801, NR 2 FAULTED TCV, WAS ABLE TO RESET FAULT. RAN BOTH PACKS WITH NO FURTHER FAULTS ON CONTROLLERS ALL TESTS PASSED.