N9137N
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
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, 2001-05-08.
Part: GEARBOX — LOOSE (TAIL ROTOR)
UPON COMPLETION OF A 1.7 HR FLT, PILOT NOTICED SHUDDERING VIBRATION AFTER ROLLING THE TWIST GRIP TO IDLE. PILOT REPORTED PROBLEM TO MAINT, INSPECTION REVEALED MOVEMENT BETWEEN T/R G/B AND TAILBOOM CASTING. THREE G/B STUD NUTS WERE FOUND LOOSE, ONE ALIGNMENT PIN LOOSE, ONE MOUNT STUD BROKEN, AND TAILBOOM TO G/B MOUNT HOLES WERE WORN BEYOND LIMITS. NO VISIBLE DAMAGE WAS NOTED ON T/R ASSY. THE TAILBOOM AND G/B WERE REPLACED USING ORIGINAL T/R ASSY. STRONG VIBRATION EMANATING FROM THE T/R WAS FELT DURING GROUND RUN AT IDLE. SERVICEABLE T/R ASSY WAS INSTALLED. GROUND RUN, NML AND T/R WAS BALANCED. ALL PARTS WERE SENT TO MFG FOR EVALUATION.