ASI AVIATION

51360 PRUNAY

- FRANCE

S ervice Bulletin N° F406

- 10 4 Page 1 / 7

28th July 2015 

# SERVICE BULLETIN N° F406

- 10 4

MANUFACTURER REFERENCE: N°F406

- 10 4 N° ATA: 27

Date: 28th July 2015

TITLE: Inspection of rudder control pedal torque tube

EFFECTIVITY

Mod el Serial Number

F406 00 0 1 to 0 0 98

PURPOSE

A pilot r udder p edal became detached in fligh t . No change in aircraft attitude occurred

and the flight continued back . Rudder was control normally by copilot rudder pedal until a

safe landing.

This service bulletin describes the p rocedure for detection of potential cracks on rudder

control pedal torque tube

.

COMPLIANCE : 

## MANDATORY

APPLICATION :

VISUAL AND PENETRANT INSPECTION M UST BE CARRIED OUT PRIO R TO NEXT

FLIGHT

. REFER TO PART A

MAGNETIC PARTICLE INSPECTION MUST BE CARRIED OUT DURING NEXT

SCHEDULED 10 0 FLIGHT HOURS MAINTENANCE CHECKS

. REF ER TO PART B

APPROBATION

This service bulletin has been approved under the privileges of the design organization

approval EASA 21J.064

.

This ASI Aviation servi ce bulletin is attached to the AD EASA approval number : 2015

- 0159

- E

.

REFERENCE

NoneASI AVIATION

51360 PRUNAY

- FRANCE

S ervice Bulletin N° F406

- 10 4 Page 2 / 7

28th July 2015 MAN

- HOURS

Approximately 20 man

- hours.

MATERI AL

Not applicable

CREDIT

Not applica ble

OVERVIEWASI AVIATION

51360 PRUNAY

- FRANCE

S ervice Bulletin N° F406

- 10 4 Page 3 / 7

28th July 2015 ACCOMPLISHMENT INSTRUCTIONS

WARNING:

WHENEVER MAINTENANCE IS CONDUCTED ON ANY FLIGHT

CONTROL SYSTEM REQUIRING REMOVAL/INSTALLATION OF

CONTROL CABLES, ENSURE CONTROL CABLES ARE NOT

CROSSED DURING CONTROL CABLES REINSTALLATION.

PART A : VISUAL AND PENETRANT INSPECTION

Instruction VISA INSPECTION

A. 1 Remove flight compartment carpet and scuff plate following

AMM Chapter 2 5

- 22

- 01 page 20 1 to get access to rudder

pedals

.

A. 2 Clean part s with alkaline solvent as per AMM

- Chapter 20

- 30

- 04

.

Torque tubes shall be free from grease or other contaminates

which could decrease contrast between a discontinuity and its

background.

A. 3 Inspect visually both torque tube for cracks in welded joint

areas.

Carry out a penetrant insp ection by a qualified personnel on

rudder pedal torque tube (both side: pilot and copilot).ASI AVIATION

51360 PRUNAY

- FRANCE

S ervice Bulletin N° F406

- 10 4 Page 4 / 7

28th July 2015 A. 4 If any defect is detected, please fill attached form and contact

ASI Aviation customer support for further information.

If no defect is detected, apply following steps.

A.5 Clean parts with alkaline solvent as per AMM

- Chapter 20

- 30

- 04 to remove all penetrant substance

.

A.6 Install flight compartment carpet and scuff plate following AMM

Chapter 2 5

- 22

- 01 page 20 1 to get access to rudder pedals

.

A.7 Perform adjustement/test of rudder control system following

AMM Chapt er 27

- 20

- 00 page 501ASI AVIATION

51360 PRUNAY

- FRANCE

S ervice Bulletin N° F406

- 10 4 Page 5 / 7

28th July 2015 PART B : MAGNETIC PARTICLE INSPECTION

Instruction VISA INSPECTION

B. 1 Remove Rudder pedal assembly following AMM Chapter 27

- 20

- 01 page 206.

B.2 Clean parts with alkaline solvent as per AMM

- Chapter 20

- 30

- 04.

Torque tubes shall be free from grease or other contaminates

which could restrict particle movement.

B. 3 Carry out a magnetic particle inspection by a qualified

personnel on rudder pedal torque tube (both side: pilot and

copilot).

Magnetic particle inspection can be performed using the

fluorescent, wet continuous or direct current technique

whichever possibilities

.

Cracks can occur at welded joint between torque tube and

pedals.

B. 4 If any defect is detected, please fill attached form and contact

ASI Aviation customer support for further information.ASI AVIATION

51360 PRUNAY

- FRANCE

S ervice Bulletin N° F406

- 10 4 Page 6 / 7

28th July 2015 If no defect is detected, apply following steps.

B.5 Demagnetize parts after final inspection.

B. 6 Clean parts with alkaline solvent as per AMM

- Chapter 20

- 30

- 04 to remove all magnetic substance.

B. 7 Install Rudder pedal assembly following AMM Chapter 27

- 20

- 01 page 206.

B. 8 Perform adjustement/test of rudder control system following

AMM Chapter 27

- 20

- 00 page 501

OWNER NOTIFICATION

The Service Bulletin F406

- 10 4 dated 28 th July 201 5 will be addressed to the owners of

the F406 airplanes. It is recommen ded to the customers to contact ASI AVIATION for any

further information relating to the application of this Service Bulletin on your airplane.

ASI AVIATION

Aérodrome de Reims

- Prunay

51360 Prunay France

Tel : (33) 3.26.48.46.65

Customer Support Website: http://asi

- aviation.fr/asi

- aviation

- support/1.htmlASI AVIATION

51360 PRUNAY

- FRANCE

S ervice Bulletin N° F406

- 10 4 Page 7 / 7

28th July 2015 INSPECTION FORM

SB

- F406

- 104

Company :

................................ ................................ ................................ ................................ ...... Adress :

................................ ................................ ................................ ................................ ..........

................................ ................................ ................................ ................................ .......................

................................ ................................ ................................ ................................ ....................... Name :

................................ ........................ Occupation :

................................ ........................ Email :

................................ ........................ Telephone :

................................ ................

Actual configuration:

Serial Number: F406

-

.................

Defect is detected on LH rudder pedal torque tube : □ Yes (Visual / Penetrant / Magnetic particle inspection)

□ No

Defect is detected on LH rudder pedal torque tube: □ Yes (Visual / Penetrant / Magnetic particle inspection)

□ N o

(Surround applied inspection)

Maintenance Phase :

................................ ......... Date :

.......................... Total flight hours :

....................... Total landings :

...........................

Commenta ry :

................................ ................................ ................................ ................................ .

................................ ................................ ................................ ................................ .......................

................................ ................................ ................................ ................................ .......................

................................ ................................ ................................ ................................ .......................

To send at :

http://asi

- aviation.fr/asi

- aviation

- support/1.html

O r by letter at :

ASI Aviation

Support Client

Aérodrome de Reims

- Prunay

51360 Prunay , France