As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK TEMP EICAS MESSAGE ON APPROACH AND LANDING. REMOVED AND REPLACED RT PACK CONTROLLER IAW AMM 21-51-14/401. PERFORMED PACK CONTROLLER BITE TEST, NO FAULTS SHOWED REF 21-51-14/501. REMOVED AND REPLACED RT PACK TEMP CONTROL VALVE IAW 21-51-12. OPS CHECK AND LEAK CHECK GOOD.