N8WH
Registered owner: GARRETT AG EQUIPMENT LTD, TX (owner ≠ operator)
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.
6 reports on file, 1996-03-19 – 2004-12-10.
Part: BLADE — CRACKED (TAIL ROTOR) · airframe 21,093 hrs
REPORTS OF CRACKS AND DEFORMATION IN SKIN AND WEIGHTS, SENT TO RBI TO CW AD 2004-24-08.
Part: TURBINE — FAILED (ENGINE)
DURING CRUISE FLIGHT, ENGINE CHIP LIGHT ILLUMINATED. ONE MINUTE LATER, PILOT EXPERIENCED ENGINE FAILURE. PILOT THEN PROCEEDED TO AUTO-ROTATE TO SAFE LANDING.
Part: NOZZLE — FAILED (GP TURBINE)
ENGINE PRODUCING LOW POWER. INSPECTED 2ND STAGE TURBINE NOZZLE. FOUND TURBINE WHEEL SHROUD FLAKING AND SEPARATING CAUSING EXCESSIVE TURBINE WHEEL TIP CLEARANCE. FOUND OUTER BAND CRACKED RADIALLY CAUSING GAS PATH LEAKAGE. THIS PART SHOULD MAKE 1,750 HRS AT LEAST. THIS, ALONG WITH NR 2 TURBINE WHEEL EROSION, CAUSED HIGH N1, HIGH TEMPERATURE, AND LOW POWER.
Part: WHEEL — ERODED (GP TURBINE)
ENGINE PRODUCING LOW POWER. REMOVED TURBINE ASSY AND SEPARATED GAS PRODUCER FROM POWER TURBINE. FOUND NR 1 TURBINE WHEEL SEVERELY CORRODED AFTER ONLY 708.5 HRS TT. WHEEL LIFE IS 1775.0 HRS. TIP CLEARANCE WAS ALSO EXCESSIVE. NO EVIDENCE OF FOD. LEADING EDGES WERE FLATTENED. THIS, ALONG WITH NOZZLE SEPARATION, CAUSED HIGH N1 WITH HIGH TEMPERATURE AND LOW POWER.
Part: ROD END — DISPLACED (M/R BLUE)
PILOT NOTICED UNUSUAL VERTICAL VIBRATION AND PRECAUTIONARY LANDING WAS MADE. FOUND BLUE M/R PITCH CHANGE LINK ROD END BEARING POPPED OUT OF ITS HOUSING CAUSING EXCESSIVE RADIAL PLAY. SUSPECT CAUSE, AGE AND/OR TIME ON PART. UNUSUAL WEAR NOT NOTICED ON PRE-FLIGHT INSPECTION.
Part: BEARING — FAILED (GEARBOX)
CHIP LIGHT ILLUMINATED IN-FLIGHT. SHORTLY THEREAFTER, ENGINE FAILED. MAINTENANCE FOUND THE BEARINGS ON EITHER END OF THE FUEL CONTROL AND OIL PUMP SPUR GEARSHAFT FELL APART STOPPING FUEL CONTROL OPERATION. EXACT CAUSE UNKNOWN AT THIS TIME. UNUSUAL BECAUSE SHAFT IS SUPPORTED ON BOTH ENDS. SUSPECT ONE BEARING FAILED ALLOWING SHAFT TO WOBBLE AND DESTROY SECOND BEARING.