What was found
HIGH PITCHED WHINE (GRINDING SOUND) COMING FROM RIGHT ENGINE AREA. RETURNED TO FIELD. INSPECTED RIGHT ENGINE TURBINE COMPRESSOR BLADES AND FOUND NO PROBLEMS. RAN RIGHT ENGINE FOR SEVERAL MINUTES. NO PROBLEMS NOTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HIGH PITCHED WHINE (GRINDING SOUND) COMING FROM RIGHT ENGINE AREA. RETURNED TO FIELD. INSPECTED RIGHT ENGINE TURBINE COMPRESSOR BLADES AND FOUND NO PROBLEMS. RAN RIGHT ENGINE FOR SEVERAL MINUTES. NO PROBLEMS NOTED.