What was found
AIRCRAFT NOT GROUNDED: PILOT REPORTS AT APPROX. 8000', OUTFLOW VALVE WENT TO FULL OPEN. LOST CABIN PRESSURIZATION. MAINTENANCE TROUBLESHOT IAW TSM 21-31-00-810-810-A, NO MX ACTION REQUIRED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT NOT GROUNDED: PILOT REPORTS AT APPROX. 8000', OUTFLOW VALVE WENT TO FULL OPEN. LOST CABIN PRESSURIZATION. MAINTENANCE TROUBLESHOT IAW TSM 21-31-00-810-810-A, NO MX ACTION REQUIRED.