What was found
AFTER TAKEOFF ON FLIGHT NR 3068, CREW 02 LOW MASTER CAUTION ILLUMINATED . AIR RETURN TO TRI. MAINTENANCE SERVICED 02 TO REQUIRED LEVEL CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF ON FLIGHT NR 3068, CREW 02 LOW MASTER CAUTION ILLUMINATED . AIR RETURN TO TRI. MAINTENANCE SERVICED 02 TO REQUIRED LEVEL CHECKS GOOD.