Service difficulty reports · 7
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR AC2R2019120401Bearing · crackedTHE BEARING P/N: 3T6510V00255 S/N: 16144 WAS INSTALLED NEW INTO BEARING SUPPORT P/N: 3T6510A00443 S/N: THB9999 AT 3565.2 HRS. THE BEARING SUPPORT WAS INSTALLED ONTO N139CN AT 8141.6 HRS AND WAS REMOVED FROM THE AIRCRAFT AT 8620.0 HRS DUE TO HIGH VIBRATION RSDR AC2R2019032213901Deck Plate · delaminatedSEVERAL DELAMINATION'S OCCURRED THROUGHOUT DECK.SDR AC2A2018062913902Longeron · crackedRIGHT SIDE INTERNAL LONGERON CRACKED AS BS 6034 FROM LIGHTNING HOLE WEBBINGSDR AC2A2018062913901Attach Fitting · crackedRIGHT UPPER TAIL STRUCTURE ATTACH FITTING HAD A CRACK ABOVE THE LOCK FASTENER.SDR AC2R2016070601Lock Nut · defectiveTHIS REPORT IS FOR A LOCKNUT WITH A LOOSE LINER. 6 TO 8 OF THE NUTS IN THIS BATCH HAD LINERS THAT BECAME LOOSE WHEN TORQUE WAS APPLIED. THESE NUTS ARE USED ON TAIL ROTOR DAMPER BRACKET ATTACHMENT. WE HAVE REMOVED THIS BATCH, LOT NR J000020289-0000 OF NUTS FSDR AC2R2016070701Ring · damagedDURING REMOVAL OF THE MAIN ROTOR HEAD ASSY, FIVE PRESSURE BOLTS WERE NOTED OF HAVING A LOSS OF TORQUE PRIOR TO REMOVAL. AFTER REMOVAL OF THE MAIN ROTOR HEAD ASSY, AND FURTHER INSPECTION, DAMAGE WAS FOUND TO THE LOWER CONICAL RING AND TO THE LOWER CONICAL RINGSDR AC2R2016050902Damper · weakWEAK M/R DAMPER CAUSED ENGINE TORQUE MISCOMPARE. CAUSED BY VIBRATION.