As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - FLT 803 - AFTER TAKEOFF LGA DURING CLIMB-OUT, NR 1 FUEL QTY BEGAN DECREASING AT AN ABNORMAL RATE. ACCOMPLISHED ABNORMAL PROCEDURE FOR DECREASING FUEL QTY AND AIRCRAFT DIVERTED TO JFK, LANDING WITHOUT INCIDENT. REPLACED LEFT OVERWING FUEL CAP WHICH HAD DEPARTED THE AIRCRAFT. SYSTEM LEAK AND GROUND CHECKED NORMAL OPERATION. (M)