# XX

TRANSLATION OF 

## BOLLETTINO TECNICO N° 

# 1 1 9

- 38

The technical content of this document is approved
under the authority of DOA nr EASA.21J.005. DATE March 25
, 2010

REV. xxxxxxx

Compliance with this bollettino is:



# ALERT Pag e 1 of 9 SUBJECT : ONE

- TIME INSPECTION OF THE 90° GEARBOX ASSY

P/N 109

- 0440

- 06

- 103

.
REASON : Perform a one

- time inspection of the subject 90° gearbox to verify the

presence of the bushing P/N 109

- 0135

- 14

- 101 and provide the instructions to restore the correct configuration and for the re identification to P/N 109

- 0440

- 06

- 105

.
HELICOPTERS AFFECTED :

All the Agusta A119 and AW119MKII helicopters equipped with the 90° g earbox assy P/N 109

- 0440

- 06

- 103 and all the 90° g earbox assy P/N 109

- 0440

- 06

- 103 at stock

.
COMPLIANCE :

PART I^: Before the next flight from receipt of this Bollettino

.
PART II^: Within and not later than 5 ( five ) flight hours from receipt of this Bollettino and however within and not later than June 30, 2010 and however before the removal of the 90° g earbox inspected as per PART I^.

DESCRIPTION :

One case of missing bushing P/N 109

- 0135

- 14

- 101 inside the 90° gearbox assy P/N 109

- 0440

- 06

- 103 output m a st
, has been reported on

an AW119MKII model helicopter

. T his Bollettino is issued in order to provide the necessary instructions to perform : PART I^: a one

- time inspection to verify the presence of the bushing P/N 109

- 0135

- 14

- 101 inside the 90° gearbox assy P/N 109

- 0440

- 06

- 103



# ALERTB.T. 1 1 9

- 38

Pag e 2 of 9 output ma st and

, in case of absence

, for the replacement of the gearbox

and some parts of the tail rotor installation with the new 90° gea rbox assy P/N 109

- 0440

- 06

- 105

. PART II^: the 90° gearbox assy P/N 109

- 0440

- 06

- 103 re

- identification to P/N 109

- 0440

- 06

- 105
, in which the inspection has confirmed the bushing presence, by means of the installation of an additional nameplate

.
REQUIRED MANPOWER :

The following estimated manpower hours are required for compliance with this Bollettino: PART I^: Negligible ; PART II ^: 1.5 ( one and half ).

WARRANTY :

The parts required to apply the present Bollettino shall be supplied on a free of charge basis by Agusta upon request except for the consumable items. Upon application of this Bollettino, Customers are requested to submit to Agusta Warranty Administration the Technical Bulletin Compliance form attached to this Bulletin duly completed in all its parts.

REQUIRED MATERIALS :

PART I^: The following materials could be required for compliance with PART I^ of this Bollettino: P/N DENOMINA TION Q.T Y 109

- 0440

- 06

- 105 90° g earbox assy 1 NAS1149C0463R Washer 3 109

- 0135

- 02

- 101 T/R Control r od assy

. 1 109

- 0135

- 03

- 101 T/R Lever assy 1 109

- 0135

- 05

- 101 T/R Half s c issors assy 4 109

- 0135

- 06

- 101 T/R Fitting assy 1 109

- 0135

- 08

- 101 T/R S c issors sleeve 6 NAS6604D22 B olt 6

In addition the following consumable material is necessary :

SPECIFICATION DENOMINATION Q.TY TT

- N

- 95 t y p e 2 Aliphatic naphtha A .R. (cod e 531055030)

PART II^: The following material is required for compliance with PART I^ of this Bollettino : P/N DENOMINATION Q.TY A149A003A1 Nameplate 1B.T. 1 1 9

- 38

Pag e 3 of 9 In addition the following consumable material is necessary :

SPECIFICA TION DENOMINA TION Q.T Y 199

- 05

- 002 Ad h esiv e EA93 4 NA A .R. TY II CL 2 (cod e 90000 4603 ) TT

- N

- 95 t ype 2 Aliphatic naphtha A .R. (cod e 531055030 ) Commercial Abrasive paper n. 220 A .R.

o r equivalent Commercial Masking tape A .R.

SPECIAL TOOLS :

N.A.

WEIGHT AND BALANCE CHANGES :

Negligible

.
REFERENCES :

A119 / AW119MKII Maintenance Manual

.
PUBLICATIONS AFFECTED :

N.A.

COMPLIANCE INSTRUCTIONS :

PART I^: ( See figur e s 1 ÷ 2 )

1. Prepare the helicopter on ground for a safe maintenance, disconnect any power supply

.

2. Gain access to the tail rotor installation and with reference to figure 1
, remove the forward boot P/N 109

- 0135

- 10 from the hub locking nut P/N 109

- 0135

- 12

.
NOT E If necessary clean the area to be inspected using a clean cloth dampened with a liphatic naphtha

.
3. With reference to figure 2, inser t a 0.3 mm thickness gauge between the T/R control rod P/N 109

- 0135

- 02 and the hub l ocking nut P/N 109

- 0135

- 12 keeping the thickness gauge against the T/R control rod assy P/N 109

- 0135

- 02

.
NOT E U se a thickness gauge that can be inserted between the control rod P/N 109

- 0135

- 02 and the T/R hub l ocking nut P/N 109

- 0135

- 12.B.T. 1 1 9

- 38

Pag e 4 of 9 3.1 If the thickness gauge goes in for 5 ±1 mm the bus hing P/N 109

- 0135

- 14

- 101 is installed

, r eturn the fwd boot P/N 109

- 0135

- 10 in its initial position on the T/R hub l ocking nut P/N 109

- 0135

- 12 and perform steps 7. and 8.

.
NOT E In this case the 90° gearbox assy P/N 109

- 0440

- 06

- 103 must be re

- identified to P/N 109

- 0440

- 06

- 105 perform ing the PART II^ within the compliance limits of this Bollettino

.
3.2 If the thickness gauge goes in for more than 6 mm the bushing P/N 109

- 0135

- 14

- 101 is no t install ed , proc e ed with the following steps

.

4. In accordance with the instructions given in the A119/AW119MKII Maintenance Manual from the helicopter

remove :  T/R control rod P/N 109

- 0135

- 02 ;  T/R lever P/N 109

- 0135

- 03 ;  N . 4 T/R half scissors assy P/N 109

- 0135

- 05 ;  T/R fitting assy P/N 109

- 0135

- 06;  N

. 6 T/R scissors sleeve P/N 109

- 0135

- 08;  N . 6 T/R sleeve connecting bolts P/N NAS6604D22;  The 90° gearbox assy P/N 109

- 0440

- 06

- 103.

NOT E The removed parts must be sent to Agusta

.

5. In accordance with the instructions given in the A 119/AW119MKII Maintenance Manual on the helicopter install the following efficient parts :  90° gearbox assy P/N 109

- 0440

- 06

- 105;  N. 6 T/R sleeve connecting bolts P/N NAS6604D22;  N . 6 T/R scissors sleeve P/N 109

- 0135

- 08

- 101;  T/R fitting assy P/N 109

- 0135

- 06

- 101;  N. 4 T/R half scissors assy P/N 109

- 0135

- 05

- 101;  T/R lever P/N 109

- 0135

- 03

- 101;  T /R control rod P/N 109

- 0135

- 02

- 101.

6. In accordance with the instructions given in the A119/AW119MKII Maintenance Manual perform the tail rotor dynamic balance

.

7. Return the helicopter in a ready to flight condition

.B.T. 1 1 9

- 38

Pag e 5 of 9 8. Record compliance with PART I^ of this Bollettino in the helicopter log book

.
NOT E The 90° gearbox assy P/N 109

- 0440

- 06

- 103 at stock must be visually inspected to verify the presence of the bus hing P/N 109

- 0135

- 14

- 101. If the bushing is no t install ed the 90° g earbox shall be sent to Agusta

. If the bushing is installed

, the 90° g earbox must be re

- identifi ed in accordan c e with PART II^

.

PART II^: ( See figure 3 )

1. Prepare the helicopter on ground for a safe maintenance, disconnect any power supply

.

2. In accordance with the instructions given in the A119/AW119MKII Maintenance Manual r emove the fairing P12.

3. U sing an etch pen

, on the 90° gearbox assy nameplate cross out the entire P/N 109

- 0440

- 06

- 103.

4. With reference to figure 3
, u sing a punch

, write on the nameplate P/N A149A003A1 :

4 .1 In the upper square write 109

- 0440

- 06

- 105

.

4 .2 In the lower square write B.T. 119

- 38

.

5. On the 90° gearbox determine the area where to install the nameplate P/N A149A003A1 in pro ximity of the existing nameplate

.
6. Pre

- fit the nameplate P/N A149A003A1 to ensure a tight fit with the 90° gearbox surface

.
7. On the 90° gearbox mask the area around the nameplate P/N A149A003A1 using m asking tape

.
8. On the 90° gearbox r emove only the finish paint from the nameplate P/N A149A003A1 installation area using abrasive paper n. 220 o r finer grit

.
9. Rub the surface of the nameplate P/N A149A003A1 to be bonded using abrasive paper n. 220 or finer grit

.B.T. 1 1 9

- 38

Pag e 6 of 9 10. Clean the repaired area with aliphatic naphtha

.

11. M i x the components of the ad h esiv e EA93 4 NA using a non

metallic spatula and wait between 30 and 40 minut es before its

use

.
12. Bond the nameplate P/N A149A003A1 on the 90° gearbox

. Hold the nameplate in position by means of adhesive tape

. NOT E After the bonding, all a round the nameplate there should be evidence of adhesive squeeze

- out ; r emove any excess adhesive

.
13. L eave adhesive to cure for 24 hours at ambient temperature

.
14. R emove the adhesive tape and restore the finish and the 90° gearbox painting scheme

.
15. In accordance with the instructions given in the A119/AW119MKII Maintenance Manual re install the fairing P12

.
16. Return the helicopter in a ready to flight condition

.

17. Record compliance with PART II^ of this Bollettino in the helicopter log book

.B.T. 1 1 9

- 38

Pag e 7 of 9 Vi ew A 

# FIGUR E 1 109

- 0135

- 12 NUT 109

- 0135

- 10 FWD BOOTB.T. 1 1 9

- 38

Pag e 8 of 9 

# FIGUR E 2 109

- 0135

- 10 FWD BOOT 109

- 0135

- 12 NUT

0

. 30 mm THICKNESS GAUGE 109

- 0135

- 02 CONTROL ROD ASSYB.T. 1 1 9

- 38

Pag e 9 of 9 

# FIGURE 3 A149A003A1 NAMEPLATENote: Remarks:

Informazioni: Information: Al fine di gestire le varianti alla configur azione base, in relazione all’emissione de l Bollettino Tecnico, preghiamo di voler compilare il presente modulo in tutte le sue parti e sped irlo all’indirizzo sopra indicato. Si ring razia per la gentile collaborazione data.
We request your cooperation in filling this form, in order to keep out statistical data relevant to aircraft configuration up- to-date. The form should be filled in all its parts and sent to the above address. We thank you beforehand for the information given. **MODULO APPLICAZIONE BOLLETTINO TECNICO** TECHNICAL BULLETIN COMPLIANCE FORM Data: Date:

Numero: Number:

Revisione: Revision: Prego spedire a questo indirizzo: Please send to the following address: 

### AGUSTA **S.p.A.** CUSTOMER SUPPORT & SERVICES - ITALY PRODUCT SUPPORT ENGINEERING DPT. Via del Gregge, 100 2101 5 Lonate Pozzolo (VA) - I T ALY T el

. : +39 0331 664600 Fa x : +39 0331 66468 4

Telefono: Telephone:

Fax:

Data Applicazione B.T.: B.T. Compliance Date: Denominazione Cliente ed Indirizzo: Customer Name and Address:

Modello Elicottero

Helicopter Model S/N Matricola Tail Number Ore Totali Total Hours Ore D.U.R. T.S.O.