As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK/BOS - FLT 6462 - DURING TAKEOFF AT 1220 HOURS ON 3-27-97, ABORTED TAKEOFF DUE TO LT ENGINE RPM DROPPED TO ZERO PERCENT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSP AND REMOVED AND REPLACED RPM INDICATOR, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (X)