What was found
CLIMBING THROUGH 7000 FT HEARD THUMP FROM RT SIDE OF CABIN. CABIN RATE OF CLIMB WENT TO 2000 FT/MIN UP. COULD NOT CONTROL PRESSURIZATION. REPLACED EQUIPMENT COOLING EXHAUST VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CLIMBING THROUGH 7000 FT HEARD THUMP FROM RT SIDE OF CABIN. CABIN RATE OF CLIMB WENT TO 2000 FT/MIN UP. COULD NOT CONTROL PRESSURIZATION. REPLACED EQUIPMENT COOLING EXHAUST VALVE.