What was found
CABIN OVER PRESSURE ON EICAS. PERFORMED QRH. TRIED PRESSURE IN MANUAL MODE, DIDN`T WORK. WENT BACK TO AUTO STARTED WORKING CORRECTLY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN OVER PRESSURE ON EICAS. PERFORMED QRH. TRIED PRESSURE IN MANUAL MODE, DIDN`T WORK. WENT BACK TO AUTO STARTED WORKING CORRECTLY.