What was found
PRESSURIZATION MODE SELECTOR KNOB FELL OUT. ACFT GROUNDED. TIGHTEN PRESSURIZATION MODE SELECTOR KNOB.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PRESSURIZATION MODE SELECTOR KNOB FELL OUT. ACFT GROUNDED. TIGHTEN PRESSURIZATION MODE SELECTOR KNOB.