As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PWM-IAD - FLT 6500 - DURING TAXI FOR TAKEOFF, RETURNED TO THE GATE DUE TO THE LT ENGINE FLAMING-OUT. ACFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. CONTRACT MAINTENANCE PERFORMED A DECELERATION CHECK WITH NO DEFECTS NOTED. ACFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (Z)