What was found
CABIN ALT EICAS AT FL400. RT PACK OFF AUTO 1-2 CONTROLLER INOP. OVBD EX VAL STATUS DECLARE AN EMERGENCY. OUTFLOW VALVE WAS REPLACED AND AMM 05-51-24 PROCEDURE PERFORMED OPS CK GOOD PRESSURE HOLDS PER AMM CALLOUT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN ALT EICAS AT FL400. RT PACK OFF AUTO 1-2 CONTROLLER INOP. OVBD EX VAL STATUS DECLARE AN EMERGENCY. OUTFLOW VALVE WAS REPLACED AND AMM 05-51-24 PROCEDURE PERFORMED OPS CK GOOD PRESSURE HOLDS PER AMM CALLOUT.