As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL - FL 330, CLIMBING OUT OF LGA, AT FL 280, THE LEFT ENGINE SHUT DOWN AND COULD NOT BE RESTARTED. FLIGHT DIVERTED TO PHL AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE FOUND THE NR 1 ENGINE DRIVEN FUEL PUMP FAILED AND REPLACED IT. (M)