# I

I l: DAHER-SOCATA

SOCATA Direction des Services 6592 1 TARBES CEDEX 9 FRANCE TELEPHONE: 33 (0)5 62.41.73.00 TELEFAX: 33 (0)5 62.41.76.54 

## TBM AIRCRAFT 

# I 

# I 5870-194 32 

# SERVICE BULLETI N AMENDMENT 2 ATA No. 

## MANDATORY The technical content of this document is approved under the authority of DOA No. EASA.21 J .01 3 is the subject of an AD 

# ALERT
FOR LANDING GEARS ON WHICH THE BOLT HAS ALREADY BEEN REPLACED DURING APPLICATION OF ORIGINAL SB , JUST ADD A VARNISH LIN E. SUBJ ECT EFFECTIVITY

REASON NOSE LANDING GEAR ACTUATOR AXLE ATIACHING BOLT Landing gear installed on aircraft from S / N 1 to 593, which S/ N is includ ed in the list below : PART NUMBER D23766000 or D23766000-X : - S/N from B001 to B373 inclusive and B375,

- S/ N from AR1000 to AR1023, AR1025 to AR1031 and AR1033 to AR1036 inclusive, - S/ N from AABOOOOO to AAB 13766 and AABOOOOOA to AAB 13766Z incl usive, - S / N EURXXX. PART NUMBER 21130 000 

### XV or 21130-001-

### XV :

- All S / N A. PROBLEM Breaking of the bolt attaching actuator hinge axle on nose landing gear which could cause partial disengagement of this axle and landing gear collapse. B. REASON Installation of a bolt bearing wrong part number during general overhau l. C. SOLUTION Addition of an operational procedure before each flight, until landing gear retu rn to conformity through bolt replacement. Landing gear return to conformity th rough bolt replacement. REASON OF AMEND M E NT 1 : Not applicable. REASON OF AMENDM E NT 2 : Modification of paragraphs Effectivity, Reason (C. Solution), Complian ce, Warranty, Consumable Material and Accomplishment Instructions. Addition of a varnish line identifying the application of this SB. SEP 11 Page 1 

## I 8 Arndt. 2 - NOV 11

# I
I



# I

# I SERVICE BULLETIN TBM AIRC RAFT 

# I MANDATORY 

# SB 70-194 32 AMENDMENT 2 A T A No. The technical content of this document is approved under the authority of DOA No . EASA.21J.013 is the subject of an AD SUMMARY A. OPERATIONAL PROCEDURE B. PREPARATION C. BOLT REPLACEMENT D. RECONDITIONING COMPLIANCE :

WARRANTY

SEP 11 Perform the operations in accordance with the flowchart hereunder : BE FOR E N EXT FLIGHT : YES DOES LANDING GEAR S/N NO BELONG TO THE LIST PROVIDED IN " EFFECTIVITY" PARAGRAPH ? NO ( DOES WASHER (14) 

### I Y ES SB DOES NOT 

## l ROTATE? 

### I CONCERN THIS LANDING GEAR


# .. p THE FLIGHT CAN B E DONE 

## I THE FLIGHT CANNOT BE DONE 

## I

BEFORE NEXT FLIGHT : YES 

# I REPLACE BOLT (3) (R EFER TO 

# I

DOES WASHER {14) PARAGRAPHS B. , C. AND D.) ROTATE? NO THE FLIGHT CAN BE DONE 

## I**~** REPLACE BOLT (3) (R EFER TO PARAGRAPHS 8., C. AND D .) DUR ING NEXT SCHEDULED I NSP ECTION AND AT THE LATEST

BEFORE SEPTEMBER 30,2012 Parts and manpower under warranty within the granted time limit until September 30, 20 1 2. The transfer of a stored landing gear to a repair station for application of SB is also taken under warranty.

Page 

### 2 

## I 8 Arndt. 

### 2
- NOV 11

## I

I TBM AIRCRAFT 

# I 

# I SB 70-194 32 

# SERVICE BULLETIN AMENDMENT 2 ATANo. 

## MANDATORY The technical content of this document is approved under the authority of DOA No. EASA. 2 1J .013 is the subject of an AD PROCURABLE MATERIAL :

- Parts to be ordered from your TBM spare parts distributor. Item Pa rt numbe r Description Oty/aircraft

3 5101301111 Bolt AN4-11A 1 CONSUMABLE MATERIAL (Local purchase) :

- Molykote DX or Mastinox (MIL - P- 8116D) or equivalent

- Sealant PR 1826 82 ALO "LE JOINT FRANCAIS"

- M.E.K. (Methyl- Ethyl- Ketone) or equivalent

- Green protection varnish 13188 AKZO NOBEL AEROSPACE or equivalent TOOLING

- Standard aeronautical maintenance station tools

- Torque wrench 0 to 400 lbf.in (0 to 50 N . m)

- Castellated socket T700A3299000009 or equivalent MANPOWER :

- 1 aeronautical mechanic: 1 hour (Application ofthe SB during a sched uled inspection). TECH NICAL I NCIDENCES :

- None ACCOMPLISHMENT INSTRUCTIONS :

SEP 11 NOTE: Operations required in this Service Bulletin mustbe accomplishedbyper sons authorized by theirAirworthiness Authorities and according to the procedure described hereafter. A. OPERATIONAL PROCEDURE - see Figures 1, 2 and 3 CAUTION IT IS MANDATORY TO INFO RM ANY PERSON WHO MIGHT FLY THE AIRCRAFT ABOUT THIS OPERATIONAL PROCEDURE. THIS PROCEDURE MUST BE APPLIED BEFORE NEXT FLIGHT. 1) Note the landing gear Serial Number marked on placard (1 6) a) If t he landing gear Serial Number is not included in the list given in paragraph Effectivity, this SB does not concern landing gear . b) If the landing gear Serial Number is included in the list given in paragraph Effectivity, make sure that washer (14) does not rotate freely. 2) Make sure that washer (1 4) located on nose landing gear does not rotate freely : a) If the washer does not rotate, the flight can be done. b) Before each next flight, and until replacement of bolt (3), m ake sure washer (14) does not rotate to be able to do the flight. c) If the washer rotates, no flight can be done until bolt (3) is replaced - see Paragraphs B., C. and D. Page 3 

### I 8 Arndt. 2- NOV 11

# I I

I



# I 

# I TBM AIRCRAFT 

# I 58 70-194 32 

# SERVICE BULLETIN AMENDMENT 2 ATA No.

S EP 

### 11 

## MANDATORY The technical content of this document is approved under the authority of DOA No. EASA.21J.013 is the subject of an AD 3) Insert this Service Bulletin into the Pilot's Operating Handbook. B. PREPARATION 1) Set "SOURCE" selector to "OFF". 2) Install the warning sign prohibiting "SOURCE" selector operation 

## WARNING DO NOT OPERATE MAINTENANCE WOR K IN PROGRESS 3) Jack up the aircraft - refer to Chapter 07-10-00 of the Maintenance Manual. 4) Remove nose gear R.H . door 142- refer to Chapter 52 - 80- 02 of the Mai ntenance Manual. C. BOLT REPLACEMENT - see Figures 2 and 3 1) Unlock and remove slotted nut (11), remove and retain lock'A'asher (12) and washer (13). 2) Remove sealant (2) bead. 3) Remove bolt (3), washer (15), discard bolt (3). NOTE: 

### Ifbolt 

### is broken, take pictures and contact DAHER-SOCATA, 4) Install washer (15). 5) Apply a fi lm of Molykote DX paste on ne w bolt (3) P /N 51013011 11. 6) Install bolt (3). 7) Tighten to a torque between 45 and 57 lbf.in (5 and 6.5 N.m). 8) With M.E.K., degrease the area around the bolt (3) head. 9) Apply a bead of sealant (2) PR 1826 B2 ALO all around the bolt (3) head. 1 0) Make sure the lockwasher (12) is in good condition, replace it if necessary. 11) lnstalllockwasher (12) and washer (13) . 12) Install slotted nut (11). With the castellated socket P /N T700A3299000009, tighten to a torque between 310 and 398 1bf.in (35 and 45 N.m). 13) Secure taking care to fold an unused lug of the lockwasher (12). 14) Identifythe landing gearwith a green varnish line (4), minimum length 1/2in. (13 mm) and minimum width 1/4 in. (7 mm).

P age 

### 4 

## I 8 Arndt. 2 - NOV 11

## I



# I TBM AIRCRAFT 

# SERVICE BULLETIN 

# I I SB 70- 194 32 AMENDMENT 2 ATA N o. 

## MAN DATORY The technical content of this document is approved under the authority of DOA No. EASA.21J.013 is the su bject of an AD D. RECONDITIONING- see Figure 2 1) Make sure all the tools and materials are removed and the work area i s clean and free from debris. 2) Install nose gear R.H. door 142 - refer to Chapter 52-80-02 of t he Maintenance Manual. 3) Lower the aircraft to ground and remove the jack - refer to Chapter 07 - 10-00 of the Maintenance Manual. 4) Remove this Service Bulle tin from the Pilot's Operating Handbook. U PDATIN G OF TH E AI RCRAFT DOC UMENTATIO N :
WARNING

S E P 

### 11 Amdt. 

### 2- N OV 11 Upon completion of Service Bulletin No. SB 70-194 - 32, Amendment 2, "NOSE LANDING GEAR ACTUATOR AXLE ATTACHING BOLT", make an appropriate maintenance record entry. SOCATA considers that it is MANDATORY for operators to comply with th e instructions of this SB. Operators who arbitrarily ignore th e compliance statement indicated in this SB do so at their own risk.

Page 5 

### I 8

# I SERVICE BULLETIN 

# I TBM AIRCRAFT AMENDMENT 2 AT A No. 

# SB 70-194 32 MANDATORY

A 

# •

SEP 11 Amdt. 2 - NOV 11 The technical content of this document is approved under the authority of DOA No. EASA.21J.013 is the subject of an AD 14- W asher

Figure 1 - Operational procedure Page 6 / 8

# I I 

# SERVICE BULLET IN TBM AIRCRAFT 

# I SB 70-194 32 AMENDMENT 2 ATANo. 

# MANDATORY The technical content of this document is approved under the authority of DOA No . EASA.21J.01 3 is the subject of an AD 1 - Axle 2- Sealant 

### 3- Bolt 

### 4
- Varnish line

4

Figure 2 - Removal/Installation of sealant bead SEP 11 Page 7 

### I 8 Arndt. 2 - NOV 11

# I 

# I I SERVICE BULLETIN 

# I TBM AIRCRAFT
AMENDMENT 2 ATA No. 

# 58 70-194 32 MANDA TORY



# !be 

# 11 !;

13 14



### SEP 11 Arn dt. 2- NOV 11 The technical content of this document is approved under the authority of DOA No. EASA.21J.01 3 is the subject of an AD 

### 1
- Axle

Figure 3 - Bolt replacement 3- Bolt 11 - Slotted nut 12 - Lockwash er 13- Washer 14- Washe r 15 - Washe r 16- Placard

16



### Page 8 

### I 8