As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/SWF - FLT 6351 - DURING TAXI AT 1200 HOURS ON 5-22-97, AIRCRAFT RETURNED TO GATE DUE TO LT ENGINE FIRE BELL WARNING DID NOT TEST. MAINTENANCE INSPECTED AND REMOVED AND REPLACED TERMINAL END ON TERMINAL BLOCK AT FIRE BELL, OPS CHECK OK. AIRCRAFT RELEASED AND RETURNED TO SERVICE. (X)