As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - LOG PAGE A 7103 - NR 4 ENGINE WILL NOT CROSSFEED. FOUND NR 4 CROSSFEED VALVE IN CLOSED POSITION. SECURED VALVE OPEN AS REQUIRED PER MEL 28-5 DDPG. ITEM TO CONTINUE ON DMI NR 743. VERIFIED VALVE OPEN BY TRANSFERRING FUEL BETWEEN TANK 3 AND 4 MAIN. (X)