What was found
BOS - FLT 6408 - CREW REPORTED LEFT ENGINE OPERATION ERRATIC. AIRCRAFT RETURNED TO BOS AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE ECU. A/C RETURNED TO SERVICE. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BOS - FLT 6408 - CREW REPORTED LEFT ENGINE OPERATION ERRATIC. AIRCRAFT RETURNED TO BOS AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE ECU. A/C RETURNED TO SERVICE. (M)