As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOSS OF SYSTEM A HYDRAULIC IN FLIGHT. INITIAL 0 QTY INDICATION WITH NO OTHER ABNORMALS. THEN SYS A ENG 1 AND 2 PUMPS FLICKERED AND RECOVERED SEVERAL TIMES. POM PROCEDURES FOR LOSS OF SYS A COMPLIED WITH. LANDED JFKL AND TOWED TO GATE. ZERO QTY INDICATION SHOWED 0.6 GALLONS (3 QTS) AFTER STOPPING ON RUNWAY. FOUND NR 1 SPOILER ACTUATOR LEAKING. REPLACED SAME.