As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING RECALL PRIOR TO DESCENT RIGHT PACK LIGHT ILLUMINATED BUT EXTINGUISHED WHEN MASTER CAUTION PRESSED, INDICATING SINGLE CHANNEL FAILURE OF RIGHT PACK. GROUNDED - YES. ACCOMPLISHED PACK TEMPERATURE CONTROL BITE PROCEDURE REF B737-800 FIM 21-62 TASK 801. RAM AIR ACT LIGHT ILLUMINATED LIGHT CLEARED WITH RESET. REPLACED RH RAM AIR INLET ACT REF B737-800 AMM 21-52-21 OPS CHECK GOOD.