What was found
FLL - FLT 676 - AT FL 330, AIRCRAFT OVERPRESSURIZING. UNABLE TO CONTROL IN ANY MODE. REMOVE AND REPLACE OUTFLOW VALVE. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLL - FLT 676 - AT FL 330, AIRCRAFT OVERPRESSURIZING. UNABLE TO CONTROL IN ANY MODE. REMOVE AND REPLACE OUTFLOW VALVE. (M)