What was found
FLT 197 - LGA - LEFT ENGINE UNUSUAL NOISE AND VIBRATION ON CRUISE POWER CHECK (L) HYD PUMP OFF PACK (L) OFF AND NOT CHANGES. REMOVED AND REPLACED NR 1 ENGINE. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 197 - LGA - LEFT ENGINE UNUSUAL NOISE AND VIBRATION ON CRUISE POWER CHECK (L) HYD PUMP OFF PACK (L) OFF AND NOT CHANGES. REMOVED AND REPLACED NR 1 ENGINE. (M)