As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOST LT HYD SYS QTY, FLIGHT DIVERTED. RAN BOTH ENGINES, OPERATED THRUST REVERSER, CYCLED ALL FLIGHT CONTROLS. OPENED GEAR DOORS, PINNED GEARS AND CYCLED LANDING GEAR HANDLE. NO ACTIVE LEAKS NOTED. AT INITIAL SERVICE NOTED ERRATIC QTY INDICATIONS. DRAINED RESERVIOR AND RESERVICED. SUSPECT RESERVIOR QTY TRANSMITTER. REPLACED TRANSMITTER.