What it covers
The system components and parts of the tilt rotor control system which controls the attitude of the aircraft by rotating the dual main rotor assembly through a 90-degree position. The zero or vertical position allows vertical takeoff and landing of the aircraft.
Service difficulty reports · 11
Reports filed under 6711, newest first.
| 1997 | 1 |
|---|---|
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2006 | 1 |
| 2008 | 1 |
| 2021 | 1 |
| 2022 | 1 |
SDR 2022F00012Bearing · looseTHE BEARING IN THE TAIL ROTOR SERVO INPUT CONTROL ROD ASSEMBLY ROD END FOUND SPINNING AND LOOSE.SDR 2022F00011Bearing · looseTHE BEARING, IN THE TAIL ROTOR SERVO INPUT CONTROL ROD ASSEMBLY, ROD END FOUND SPINNING AND LOOSE.SDR 2008FA0000633Servo · malfunctionedDURING START, PILOT NOTICED CYCLIC STICK COULD NOT BE MOVED WHEN THE HYD OFF PROTAKE OFF CHECK WAS INITIATED. WITH HYD POWER ON, FLT CONTROL OP NORM. THE HELICOPTER RETURNED FROM FLT, THE HYDRAULIC FIELD AND SERVO WERE HOT, IT WAS A VERY HOT DAY, TEMP ABOUT SDR KBM2006F00200Control Cable · bindingTAIL ROTOR CONTROL CABLE, UNIT BINDING, REMOVED AND REPLACED. (K)SDR KBM2004F00067Control Box · chafedANTI-TORQUE PEDALS FEELS AS IF A COMPONENT IS SCRAPING. REMOVED AND REPLACED.SDR HEEA087994Tube · corrodedCORROSION DAMAGED BEYOND LIMITS DUE TO INADEQUATE PROTECTION DURING MFG PROCESS. REPLACED WITH SERVICEABLE PART.SDR CA021029010Sleeve · mismanufactured(CAN) FOUND IN MANUFACTURING, WEAR SLEEVES NOT BONDED PROPERLY TO T/R CONTROL TUBE ASSEMBLY. SUPPLIER DID NOT PERFORMED THE SURFACE PREPARATION REQUIRED BEFORE BONDING THE WEAR SLEEVES TO THE CONTROL TUBE CAUSING LACK OF ADHESION.SDR HDNA610ERing · missingDURING 100 HUR INSPECTION, FOUND A RETAINING RING MISSING. THE RING SECURES A BELLCRANK TO THE CYCLIC SHAFT ASSEMBLY. THIS ALLOWED THE BELLCRANK TO SHIFT UP AND DOWN ON THE SHAFT APPROX 0.5 INCH. WHEN THE BELLCRANK SHIFTS UP IT CONTACTS BRACKET PN L671M 100SDR AC2A0000095Fitting · crackedFITTING, PILOTS COLLECTIVE STK IS CRACKED. VERIFIED CRACK WITH NDT. REPLACED FITTING. (X)SDR AC2A0000087Fitting · crackedFOUND SMALL CRACK IN UNDERSIDE OF FITTING. VERIFIED CRACK WITH NDT. REPLACED FITTING. (X)SDR CA970904026Servo · leaking(CAN) MAIN ROTOR FLIGHT CONTROL HYDRAULIC SERVO LEAKING AT THE PISTON BASE BEYOND LIMITS.