N521EW
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
1 report on file, 2016-05-27.
Part: BEARING — FAILED (MAIN ROTOR HUB)
PIC REPORTED A MINOR VIBRATION DURING AN EARLY MORNING FLIGHT. AFTER A SECOND FLIGHT, PIC REPORTED THAT THE VIBRATION WAS MUCH WORSE. MAINTENANCE PERFORMED AN INSPECTION OF THE ROTOR HUB COMPONENTS AND FOUND THAT THE SHEARED BEARING HAD COMPLETELY FAILED WITH TOTAL SEPARATION AROUND THE CENTER AREA. IPB DIAGRAMS ARE ENCLOSED SHOWING SUBECT PART. PART HAS ONLY 498 HRS SINCE NEW, AND IS AN OEM INSTALLED COMPONENT. AIRCRAFT IS NOW GROUNDED.