What was found
KFLL/KFLL - FLT 0X0 931 - UNABLE TO PRESSURIZE AFTER TAKEOFF. RETURNED TO DEPARTURE POINT. FIXED PNEUMATIC LEAK IN AIRCRAFT BAY COMPARTMENT PERFORMED LEAK CHECK ON GROUND NORMAL IAW MM 21-0-0.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
KFLL/KFLL - FLT 0X0 931 - UNABLE TO PRESSURIZE AFTER TAKEOFF. RETURNED TO DEPARTURE POINT. FIXED PNEUMATIC LEAK IN AIRCRAFT BAY COMPARTMENT PERFORMED LEAK CHECK ON GROUND NORMAL IAW MM 21-0-0.