As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATED ON RECALL DURING APPROACH CHECKLISTS. COMPLETED QRH CHECKLISTS. ACFT GROUNDED. INITIALLY RT PACK CONTROLLER CALLED OUT RT TEMP CONTROL VALVE. RESET CONTROLLER AND RAN TEST, TEST PASSED. RAN PACKS FOR 5 MINUTES THEN TESTED CONTROLLER AGAIN AND ONCE AGAIN PACK CONTROLLER TEST PASSED. GROUND FUNCTIONAL TEST GOOD IAW AMM 21-51-00-700-803.