Blades

AS365
Quiet Fenestron
SB number : AS365-64.00.21 (R3)
Applicable to version(s) : N3
This Service Bulletin consists of installing a "quiet" Tail Rotor Hub (TRH) assembly
Depending on the helicopter configuration this SB will install
- a "quiet" TRH assembly equipped with a new fairing of identical geometry to the former design, but with 8 equally spaced notches for 8 lyres and a new hub body whose edge was chambered, in order to no longer cut the heat-shrinking sheath of the fairing lyres
- of installing on the Tail Gear Box (TGB) (to make it compatible with the "quiet" TRH) a titanium control rod with rolled threads equipped with a nut whose tightening torque was increased and a reinforced drive shaft made of stainless steel, equipped with a nut with improved self-locking and safety
- of replacing the blades P/N 365A12-0060-01 by blades P/N 365A12-0070-00
Download as .pdf

On Request kg

On Request

3 Days day(s)

Benefits

  • Comfort, noise reduction
  • Reduction of direct maintenance cost

PRE-POST REQUISITE / EFFECTIVITY

- pre-MOD 0761B23, 0764B39, 0764B40, 0764B41, 0764B48, 0765B30, 0765B31, 0765B32, 0765B41 (case of an aircraft not equipped with the "quiet" TRH) - pre-MOD 0761B27 (case of an aircraft already equipped with the "quiet" TRH)

INSTALLATION TIME
QUALIFICATION INSTALLATION DURATION
Airframe, Structure 20 Hour(s)
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CONFIGURATION MATRIX
CONFIGURATION PRE-POST MOD STATUS  
1 PRE MOD 0765B41, PRE MOD 0761B23, PRE MOD 0765B30, PRE MOD 0764B40, PRE MOD 0765B32, PRE MOD 0764B48, PRE MOD 0764B39, PRE MOD 0765B31, PRE MOD 0764B41 This is my configuration
2 POST MOD 0764B40, POST MOD 0765B32, POST MOD 0764B48, POST MOD 0764B39, POST MOD 0765B31, PRE MOD 0761B27, POST MOD 0764B41, POST MOD 0765B41, POST MOD 0761B23, POST MOD 0765B30 This is my configuration

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