As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - FLT TA823 - DURNG TAKEOFF, THE AIRCRAFT LOST ALL OF BLUE HYDRAULIC SYSTEM FLUID. THE AIRCRAFT RETURNED TO MIA AIRPORT FOR MAINTENANCE. AFTER AN UNEVENTFUL LANDING, MAINTENANCE TECHS FOUND THE BLUE SYSTEM HYDRAULIC PRESSURE SWITCH PACKING DAMAGED. THE PACKING WAS REMOVED AND REPLACED ACCORDING TO AMM 29-11-11, THE AIRCRAFT WAS RETURNED TO NORMAL OPERATION. (M)