As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING LT & RT PACK LIGHT ILLUMINATED BOTH EXTINGUISHED APPROXIMATELY AFTER 1 MINUTE PUSHING MASTER CAUTION RECALL BOTH LIGHTS RE-ILLUMINATED. ACFT GROUNDED. PERFORMED BITE TEST PACK/ZONE TEMP CONTROLLERS IAW FIM 21-62-801, NR 1 CONTROLLER SHOWS RAM AIR INTAKE FAULT. REF MEL 21-5D, OPS PROCEDURE NOTE 1. BITE TEST NR 2 CONTROLLER NO FAULT, OK TO CONTINUE.