What was found
SEA - ON TAKEOFF, NR 1 ENG LAGS BEHIND NR 2 DOESN'T ACCELERATE. REPLACED THE SWITCH ROLLER ASSEMBLY. OPS CHECK GOOD. RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SEA - ON TAKEOFF, NR 1 ENG LAGS BEHIND NR 2 DOESN'T ACCELERATE. REPLACED THE SWITCH ROLLER ASSEMBLY. OPS CHECK GOOD. RETURNED TO SERVICE.