As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT CAUTION ON RECALL ON DESCENT. QRH COMPLETED INFLIGHT . GROUNDED - YES. DUE TO PREVIOUS HISTORY. RE-ACCOMPLISHED FIM 21-53 TASK 808 STEP (F)(1)(B) AND STEP 2(A)(B). NO FURTHER FAULTS FOUND AND CLEANED BOTH PACKS HEAT EXCHANGERS IN REF AMM 21-51-03/701.