As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT CAME ON AFTER ENGINE START LIGHT DOES RESET AFTER RECALL. PERFORMED BITE CHECK ON PACK ZONE TEMP CONTROLLER NO FAULTS LOGGED OR NOTED, OPS NORMAL. RAN APU AND PERFORMED PACK FLOW CONTROL VALVE OPS TEST, OPS NORMAL. SUCCESSFUL GROUND VERIFICATION NO DEFECTS NOTED. OK FOR CONTINUED SERVICE. REF MM 21 51 00 700 802 21 51 00 700 803.