As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6510 - IAD-LGA - DURING TAXI, MADE A SCHEDULED FLIGHT WITH ONE DISCREPANCY WHICH WAS EMERGENCY TRACK LIGHTING IN AFT CABIN INOP. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND RESECURED ELECTRICAL CONNECTION, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)