What was found
AFTER TAKEOFF, THE ACFT RETURNED DUE EICAS MSG CABIN ALTITUDE HI. ON GND PERFORMED FIM 21-31-00-810-822-A. R & R CPCS IAW AMM 21-31-01. OPERATIONAL TESTED OK. THE ACFT RETURNED TO NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF, THE ACFT RETURNED DUE EICAS MSG CABIN ALTITUDE HI. ON GND PERFORMED FIM 21-31-00-810-822-A. R & R CPCS IAW AMM 21-31-01. OPERATIONAL TESTED OK. THE ACFT RETURNED TO NORMAL OPERATION.