As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ON MASTER RECALL RESETS WITH MASTER CAUTION. GROUNDED - YES. DURING INITAIL BITE CHECK FOUND FLT DECK FAULT INDICATED ON R PACK CONTROLLER BUT L PACK NO FAULT EXIST. REF FIM 21-62 TASK 801, CLEANED FLIGHT DECK SENSOR AND BITE CHECK AGAIN AFTER PACK OPERATING. NO FAULT EXIST GREEN GO LIGHT INDICATED DURING VERIFY AND PREV FLIGHT. REF FIM 21-62TASK810 THERE IS NO 30 DAYS HISTORY.