As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6519 - LGA-IAD - AIRCRAFT MADE A UNSCHEDULED LANDING AT LGA DUE TO BAGGAGE POD SMOKE WARNING LIGHT ILLUMINATED BRIEFLY IN FLIGHT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND OPENED DMI 57973, MEL 26-3. MAINTENANCE CLOSED DMI 57973 BY REMOVING AND REPLACING POD SMOKE DETECTOR, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)