As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - FLT 77 - EN ROUTE IAD-LAX - LEFT SIDE HYDRAULIC SYSTEM FAILED WITH COMPLETE LOSS OF FLUID. AIR INTERRUPTED, DIVERTED AND LANDED PHX WITHOTU FURTHER INCIDENT. REPLACED LEFT SIDE HYDRAULIC PUMP. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)