What was found
DURING CLIMB CABIN TEMP WAS UNCONTROLLABLE WITH MID CABIN TEMP EICAS MESSAGE. RETURNED TO DEPARTURE, EMERGENCY DECLARED, AND LANDED UNEVENTFUL. REMOVED AND REPLACED RIGHT AIR CYCLE MACHINE IAW AMM 21-51-03. SYSTEM CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB CABIN TEMP WAS UNCONTROLLABLE WITH MID CABIN TEMP EICAS MESSAGE. RETURNED TO DEPARTURE, EMERGENCY DECLARED, AND LANDED UNEVENTFUL. REMOVED AND REPLACED RIGHT AIR CYCLE MACHINE IAW AMM 21-51-03. SYSTEM CHECKED NORMAL.