# JASC 6711: Tilt Rotor Flight Control

- Type: JASC system/component code (FAA)
- ATA chapter: 67 Rotors Flight Control
- Title in the code table: TILT ROTOR FLIGHT CONTROL
- Service difficulty reports: 11
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=59
- Page: https://openairdocs.org/jasc/6711

## 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)

- [SDR 2022F00012](https://openairdocs.org/sdr/2022F00012), Jan 4, 2022: Skrsky S92A. BEARING. LOOSE. THE BEARING IN THE TAIL ROTOR SERVO INPUT CONTROL ROD ASSEMBLY ROD END FOUND SPINNING AND LOOSE. (N943PH)
- [SDR 2022F00011](https://openairdocs.org/sdr/2022F00011), Dec 29, 2021: Skrsky S92A. BEARING. LOOSE. THE BEARING, IN THE TAIL ROTOR SERVO INPUT CONTROL ROD ASSEMBLY, ROD END FOUND SPINNING AND LOOSE. (N943PH)
- [SDR 2008FA0000633](https://openairdocs.org/sdr/2008FA0000633), Aug 26, 2008: Bell 206B3. SERVO. MALFUNCTIONED. DURING START, PILOT NOTICED CYCLIC STICK COULD NOT BE MOVED WHEN THE HYD OFF PROTAKE OFF CHECK WAS INITIATED. WITH HYD P (N6NJ)
- [SDR KBM2006F00200](https://openairdocs.org/sdr/KBM2006F00200), Jun 13, 2006: Snias AS350B1. CONTROL CABLE. BINDING. TAIL ROTOR CONTROL CABLE, UNIT BINDING, REMOVED AND REPLACED. (K) (N215LA)
- [SDR KBM2004F00067](https://openairdocs.org/sdr/KBM2004F00067), Apr 7, 2004: Snias AS350B2. CONTROL BOX. CHAFED. ANTI-TORQUE PEDALS FEELS AS IF A COMPONENT IS SCRAPING. REMOVED AND REPLACED. (N345SH)
- [SDR HEEA087994](https://openairdocs.org/sdr/HEEA087994), Jun 20, 2003: Bell 407. TUBE. CORRODED. CORROSION DAMAGED BEYOND LIMITS DUE TO INADEQUATE PROTECTION DURING MFG PROCESS. REPLACED WITH SERVICEABLE PART. (N491PH)
- [SDR CA021029010](https://openairdocs.org/sdr/CA021029010), Oct 29, 2002: Bell 430. SLEEVE. MISMANUFACTURED. (CAN) FOUND IN MANUFACTURING, WEAR SLEEVES NOT BONDED PROPERLY TO T/R CONTROL TUBE ASSEMBLY. SUPPLIER DID NOT PERFORMED 
- [SDR HDNA610E](https://openairdocs.org/sdr/HDNA610E), Jun 27, 2001: Urocop EC135P1. RING. MISSING. DURING 100 HUR INSPECTION, FOUND A RETAINING RING MISSING. THE RING SECURES A BELLCRANK TO THE CYCLIC SHAFT ASSEMBLY. TH (N911KB)
- [SDR AC2A0000095](https://openairdocs.org/sdr/AC2A0000095), Sep 26, 2000: Skrsky S76. FITTING. CRACKED. FITTING, PILOTS COLLECTIVE STK IS CRACKED. VERIFIED CRACK WITH NDT. REPLACED FITTING. (X) (N5402T)
- [SDR AC2A0000087](https://openairdocs.org/sdr/AC2A0000087), Aug 22, 2000: Skrsky S76. FITTING. CRACKED. FOUND SMALL CRACK IN UNDERSIDE OF FITTING. VERIFIED CRACK WITH NDT. REPLACED FITTING. (X) (N5403C)
- [SDR CA970904026](https://openairdocs.org/sdr/CA970904026), Jul 24, 1997: Snias AS350B. SERVO. LEAKING. (CAN) MAIN ROTOR FLIGHT CONTROL HYDRAULIC SERVO LEAKING AT THE PISTON BASE BEYOND LIMITS.

## Other codes in chapter 67

- [JASC 6700](https://openairdocs.org/jasc/6700): Rotorcraft Flight Control (317 reports)
- [JASC 6710](https://openairdocs.org/jasc/6710): Main Rotor Control (1,151 reports)
- [JASC 6720](https://openairdocs.org/jasc/6720): Tail Rotor Control System (852 reports)
- [JASC 6730](https://openairdocs.org/jasc/6730): Rotorcraft Servo System (647 reports)
- [JASC 6797](https://openairdocs.org/jasc/6797): Rotors Flight Control System Wiring (9 reports)

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