As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - FLT TA823 - AFTER TAKEOFF, THE COMPASS NR 1 FAULT AND THE BLUE ENGINE HYDRAULIC PRESSURE SHOWED 2000 PSI DUE TO THIS SITUATION THE AIRCRAFT RETURNED TO MIAMI AIRPORT. AIRCRAFT IS ON GROUND AND MX TECHS ARE PERFORMING TROUBLE SHOOTING AT THIS TIME. (M)