EUR OCOPTER 

### B , B1 CIVIL VERSIONS: DIRECTION TECHNIQ UE SUPPOR T 13725 MARIGNANE C EDEXF RANCE 

# SERVICE B ULLETIN

**No. 25-095**  **EQ UIPMENT AND FURNISHINGS**  SUBJECT : Impro v ed secur ity of front and rear 3- to 4-men VIP bench seats 

### Corresponds to modifications 365V08-0079-01 and 365V08-0079-02 DA TE OF ISSUE DA TE OF APPR OV

AL REVISION No .
2009.06.25 On: J une 23, 2009 Revision 0

P age 1 / 17 

# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 This document is a v

ailable on the Inter

net: www .eurocopter

.com/techpub 

### SERVICE B ULLETIN EC155

### 1. **PLANNING INFORMA TION**  **CA UTION**  **THE INFORMA**

**TION AND INSTR UCTIONS IN**  **THIS SER** **VICE B ULLETIN ARE INTENDED FOR**  **MAINTENANCE TEAMS AND FLIGHT CREWS.**  

### 1.A. **EFFECTIVITY 1.A.1.**  **Helicopter s/Installed equipment**  EC155 helicopters equipped with 4-men VIP bench seats con v er tib le into 3-men seat benches , P/N 365V85004501 (front VIP bench seat) and 365V85004601 (rear VIP bench seat) , whose ser ial n umber is lo w er than 6893. Helicopters on which retrofit P/N 365V080079.01 (modification to rear bench seat) and/or P/N 365V080079.02 (modification to front bench seat) w as/w ere installed are not concer ned b y this SERVICE B ULLETIN. **1.A.2. Non-installed equipment**  Not applicab le . 

### 1.B. **ASSOCIA**

**TED REQ UIREMENTS**  Not applicab le . 

### 1.C. **REASON** This Ser vice Bulletin No . 25-095 pur por ts to strengthen the attachment secur ity on cabin floor of 4-men VIP bench seats which are con v er tib le into front and rear 3-men bench seats . Compliance with this Ser vice Bulletin No . 25-095 lifts the oper ating limitation of the 3-men VIP bench seats configur ation, which for ms the subject of EASB No . 04A009. Compliance with this Ser vice Bulletin supersedes the prescr iptions of Emergency Aler t Ser vice Bulletin No . 04A009. 

### 1.D **. DESCRIPTION**  In order to impro v e the secur ity on cabin floor of front and rear VIP bench seats in case of hard landing, EUR OCOPTER designed modifications 365V08-0079-01 (Rear VIP bench seat) and 365V08-0079-02 (F ront VIP bench seat). These modifications consist of fitting ne w shims betw een the attachment r ails and the cabin floor , at front and/or rear seat positions . EUR OCOPTER recommends compliance with this Ser vice Bulletin.


### P age 2 / 17 

# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 

### SERVICE B ULLETIN EC155

### 1.E. **COMPLIANCE**

**1.E.1. Compliance at the w**  **orks 1.E.1.a.**  **On helicopter** Aircr aft No .:

- 6832 - 6844 -6847 - 6850 - 6852 - 6880 - 6883 - 6885 - 6886 - 6892. **1.E.1.b. On non-installed equipment**  Not applicab le . **1.E.2. Compliance in ser**  **vice 1.E.2.a.**  **On helicopter/installed equipment** Comply with P ar ag r aph 2.B . of this Ser vice Bulletin, pub lished at the date mentioned in the page footer , b y J une 30, 2011 at the latest. **1.E.2.b. On non-installed equipment**  Not applicab le . 

### 1.F **. APPR**  **O V** 

**AL 1.F**  **.1. Appr**  **o v**  **al of modifications** The infor mation or instr uctions relating to modifications 365V08-0079-01 (Rear VIP bench seat) and 365V08-0079-02 (F ront VIP bench seat) w ere appro v ed on May 26, 2009. **1.F .2.**  **Appr o**  **v al of the Ser**  **vice Bulletin** The technical infor mation contained in this Ser vice Bulletin No . 25-095 Revision 0 w as appro v ed on J une 23, 2009 under the author ity of EASA Design Organization Appro val No . 21J .056. 

### 1.G. **MANPO WER**  **1.G.1. Qualification**  F or compliance with this Ser vice Bulletin, Eurocopter recommends the follo wing personnel qualifications: Qualification:

- 1 Mechanical T

echnician. **1.G.2. Time f**  **or the operations** Time for the oper ations is indicated for ref erence , for a standard configur ation.

- 8 hours approximately , for remo val of shims if an y and surf ace prepar ation. 

### P age 3/ 17



# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 

### SERVICE B ULLETIN EC155- 24 hours for installation of ne w shims (bonding + stress-loading b y r ails). **1.G.3. Estimated helicopter gr**  **ounding time**

- 36 Hours . 

### 1.H. **WEIGHT AND B ALANCE**  **1.H.1. W** **eight** Negligib le . **1.H.2. Moment**  Negligib le . 

### 1.I. **EFFECT ON ELECTRICAL LO ADS**  Not applicab le . 

### 1.J **. SOFTW** 

**ARE MODIFICA**

**TION EMBODIMENT RECORD** Not applicab le . 

### 1.K. **REFERENCES** GENERAL SAFETY INSTR UCTIONS - Electr ical P o w er . AMM : 24-00-00-911 : REMOV AL / INST

ALLA TION - VIP Seat. AMM : 25-20-02-061 : MISCELLANEOUS PR ODUCTS USED ON HELICOPTERS - Special products . MTC : 20.01.01.304 : JOINING - Assemb ling b y bolts and n uts . MTC : 20.02.05.404. : CLEANING - Descr iption and use of standard cleaning products for individual par ts and

on aircr aft. MTC : 20.04.01.102 : P AINT APPLICA

TION PR OCEDURE: Gener al infor mation concer ning painting means and paint touch-ups . MTC : 20.04.05.101 : BONDING b y ADHESIVES - Gener al r ules for bonding b y adhesiv e . MTC : 20.06.01.101 : BONDING b y ADHESIVES - "EC 2216" cement. MTC : 20.06.01.407 : TECHNICAL INSTR UCTIONS - Instr uctions applicab le when w or king on an aircraft electr ical

circuit or when energizing aircr aft po w er gener ating systems on g round. MTC : 20.07.03.406 : TECHNICAL INSTR UCTIONS - Gener al pr inciples applicab le for visual cleanliness ,

appear ance chec ks on an aircr aft after an inspection or repair . MTC : 20.07.03.408 : 

### 1.L. **O THER DOCUMENTS AFFECTED**  **1.L.1. Documents alread**  **y updated** Not applicab le . 

### P age 4/ 17 

# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 

### SERVICE B ULLETIN EC155**1.L.2. Documents to be updated** 

Not applicab le . 

### 1.M. **T OOLING AFFECTED**  Not applicab le . 

### 1.N. **INTERCHANGEABILITY OR MIXABILITY OF P AR**  **TS 1.N.1.**  **Inter c**  **hang eability**  If existing shims: pre-MOD and post-MOD shims 365V08-0079-01 and 365V08-0079-02 are not interchangeab le . **1.N.2. Mixability**  If existing shims: mixing betw een pre-MOD and post-MOD shims is prohibited. Only post-MOD shims from kits 365V08-0079-0171 and 365V08-0079-0271 are installab le .



### P age 5 / 17 

# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 

### SERVICE B ULLETIN EC155

### 2. **A CCOMPLISHMENT INSTR**  **UCTIONS 2.A.**  **GENERAL**

- Ref er to list of ing redients in Wor k Card 20.01.01.304 (MTC) .

- Clean floor as per Wor k Card 20.04.01.102 (MTC).

- Tighten bolts as per Wor k Card 20.02.05.404. (MTC) .

- T ouch up paint as per Wor k Card 20.04.05.101 (MTC) .

- Carr y out bonding with adhesiv e EC2216 as per Wor k Card 20.06.01.407 (MTC) .

- Refer to general pr inciples applicab le for visual cleanliness , appearance chec ks on an aircraft after an inspection or repair as per Wor k Card 20.07.03.408 (MTC) . **2.A.1. General instructions** 

- Ref er to gener al electr ical instr uctions in T ask 24-00-00-911 (AMM) .

- Comply with gener al r ules for bonding with adhesiv e as per Wor k Card 20.06.01.101 (MTC). **2.A.2. Special saf**  **ety instructions** Not applicab le . **2.A.3. Document c**  **hec ks**  Not applicab le . 

### 2.B. **OPERA**

**TIONAL PR OCEDURE**  **2.B.1. Preliminar**  **y steps**

- Disconnect all electr ical po w er supplies as per Wor k Card 20.07.03.406 (MTC) .

- Remo v e front and/or rear VIP bench seats as per T ask 25-20-02-061 (AMM) .

- Remo v e all items as required for access to VIP seat attachment items .

- Remo v e door sills .

- Push car peting aw ay to release from upholster y .

- Remo v e car peting from cabin floor . **2.B.2. Pr**  **ocedure 2.B.2.a.**  **Remo v**  **al** Remo val of "front VIP bench seat" shims (Figure 1)

- Remo v e r ails (a) and retain n uts & bolts (DET AIL A).

- Find shims (b) if an y

, bonded on cabin floor .

- By means of spatula, detach and scr ap shims (b).

- Clean location of shims (b) to remo v e an y tr ace of adhesiv e as per Wor k Card 20.06.01.101 (MTC). Remo val of "rear VIP bench seat" shims (Figure 2)

- Remo v e r ails (c) and retain n uts & bolts (DET AIL A).

- Find shims (d) if an y

, bonded on cabin floor .

- By means of spatula, detach and scr ap shims (d).

- Clean location of shims (d) to remo v e an y tr ace of adhesiv e as per Wor k Card 20.06.01.101 (MTC). 

### P age 6 / 17 

# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 

### SERVICE B ULLETIN EC155**2.B.2.b. Installation** 

Installation of "front VIP bench seat" shims (Figure 1)

- At location of shims (b), position 4 shims (1), 2 shims (4) and 2 shims (5), mar k, str ip and clean location as required as per Wor k Cards 20.04.01.102 (MTC) and 20.06.01.101 (MTC) (DET AIL A).

- Procedure for bonding shims on floor : coat bolts and inser ts with petrolatum (12) (to allo w bolt remo val); .

. smear 4 shims (1), 2 shims (4) and 2 shims (5) with adhesiv e (10) (DET AILS A and B);

. position 4 shims (1), 2 shims (4) and 2 shims (5) on cabin floor ;

. install r ails (a) on shims , with reco v ered attachment bolts;

. tighten bolts to contact until adhesiv e slightly seeps around 4 shims (1), 2 shims (4) and 2 shims (5);

. clean off adhesiv e seepage with a dr y , lint-free cloth;

. allo w to dr y for 24 hours if room temper ature is ca. 20°C;

. remo v e bolts;

. clean bolts and inser ts b y means of MEK (11) to eliminate petrolatum g rease (12);

. re-install bolts and tighten r ail attachment bolts (a) to standard tightening torque .

- Clean floor as per Wor k Card 20.07.03.408 (MTC) .

- T ouch up cabin floor paint as per Wor k Card 20.04.05.101 (MTC) . Installation of "rear VIP bench seat" shims (Figure 2)

- At location of shims (d), position 4 shims (1), 2 tr immed shims (2) and 2 shims (3); mar k, str ip and clean location as required as per Wor k Cards 20.04.01.102 (MTC) and 20.06.01.101 (MTC) (DET AIL A).

- Procedure for bonding shims on floor : coat bolts and inser ts with petrolatum (12) (for bolt remo val); .

. smear 4 shims (1), 2 tr immed shims (2) and 2 shims (3) with adhesiv e (10) (DET AILS A and B);

. position 4 shims (1), 2 tr immed shims (2) and 2 shims (3) on cabin floor ;

. install r ails (c) on shims , with reco v ered attachment bolts ,

. tighten bolts to contact until adhesive slightly seeps around 4 shims (1), 2 tr immed shims (2) and 2 shims (3);

. clean off adhesiv e seepage with a dr y , lint-free cloth;

. allo w to dr y for 24 hours if room temper ature is ca. 20°C;

. remo v e bolts;

. clean bolts and inser ts b y means of MEK (11) to eliminate petrolatum g rease (12);

. re-install bolts and tighten r ail attachment bolts (a) to standard tightening torque .

- Clean floor as per Wor k Card 20.07.03.408 (MTC) .

- T ouch up cabin floor paint as per Wor k Card 20.04.05.101 (MTC) . **2.B.2.c. Reconfiguring 3-men**  **VIP benc h seat into 4-men**  **VIP benc h seat (Figure 3)**  F or Clients who complied with EASB 04A009:

- with items from front and/or rear VIP bench seats which w ere remo v ed for compliance with EASB 04A009, reconfigure front and/or rear VIP bench seats from 3-men into 4-men v ersion. **2.B.3. T**  **ests** Not applicab le . **2.B.4. Final steps** 

- Re-install cabin floor car peting.

- Push in car peting under neath upholster y .

- Re-install door sills .

- Re-install all items which w ere remo v ed for access to VIP bench seat attachment components .

- Install and secure front and/or rear VIP bench seats as per T ask 25-20-02-061 (AMM) . 

### P age 7/ 17 

# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 

### SERVICE B ULLETIN EC155- Reconnect all electr ical po w er supplies as per Wor k Card 20.07.03.406 (MTC) .

- Restore aircr aft to flight condition. **2.B.5. Gr**  **ound run/flight test** Not applicab le . 

### 2.C. **OPERA**

**TIONAL PR OCEDURE ON NON-INST**  **ALLED EQ UIPMENT**  **2.C.1. Stoc**  **k retr ofitting**  Not applicab le . **2.C.2. Stoc**  **k replacement, stoc**  **k scrapping and stoc k b**  **uilding-up** Not applicab le . 

### 2.D **. IDENTIFICA** 

**TION 2.D**  **.1. Identification of modifications in the documentation**  Record embodiment of modifications 365V08-0079-01 (Rear VIP bench seat) and/or 365V080079-02 (F ront VIP bench seat) and compliance with this Ser vice Bulletin No . 25-095 with its Revision n umber in the aircr aft documents . **2.D .2.**  **Identification of modifications on equipment** Not applicab le . **2.D .3.**  **Identification of the ne w ver**  **sion** Not applicab le . 

### 2.E. **OPERA**

**TING AND MAINTENANCE INSTR UCTIONS**  **2.E.1. Operating instructions**  Not applicab le . **2.E.2. Sc**  **heduled maintenance instructions** Not applicab le . **2.E.3. Unsc**  **heduled maintenance instructions** Not applicab le . 

### P age 8 / 17 

# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 

### SERVICE B ULLETIN EC155Figure 1 

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# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 SERVICE B ULLETIN EC155

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# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 SERVICE B ULLETIN EC155Figure 2 

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# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 SERVICE B ULLETIN EC155

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# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 SERVICE B ULLETIN EC155Figure 3 

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# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 

### SERVICE B ULLETIN EC155

### 3. **INFORMA**

**TION ON MA**

**TERIAL 3.A.**  **MA TERIAL:**  **COST AND A V**  **AILABILITY 3.A.1.**  **Cost 3.A.1.a.**  **Components** Cabin floor reinforcement kits 365V08-0079-0171 (Rear VIP bench seat) and 365V08-0079-0271(F ront VIP bench seat) will be deliv ered free of charge b y EUR OCOPTER. **3.A.1.b. T** 

**ooling** Not applicab le . **3.A.2. A**  **v ailability**  **3.A.2.a. Components**  Cabin floor reinforcement kits 365V08-0079-0171 and 365V08-0079-0271 will be deliv ered upon Oper ator's order . **3.A.2.b. T** 

**ooling** Not applicab le . 

### 3.B. **INFORMA**

**TION CONCERNING INDUSTRIAL SUPPOR T**  Not applicab le . 

### 3.C. **MA TERIAL REQ**  **UIRED FOR EA CH HELICOPTER/ENGINE/COMPONENT**  **3.C.1. Kits or components to be or**  **dered f or one helicopter or one assemb**  **l y**  T o reinforce cabin floor at front and/or rear VIP bench seat attachment points , according to aircr aft configur ation, place order for kit: - 365V08-0079-0171 Rear VIP bench seat retrofit kit. and/or - 365V08-0079-0271 F ront VIP bench seat retrofit kit. Instr uctions F or mer P/N Ke y Word Item Qty Mater ial P/N **"REAR" VIP benc**  **h seat retr ofit kit,**  **inc luding:**  **inc luding:**  **1 365V08-0079-0171**  shim (1) 4 365V08-0079-20 shim, tr immed (2) 2 365V08-0079-22 shim (3) 2 365V08-0079-25 

### P age 14/ 17 

# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 

### SERVICE B ULLETIN EC155Instr uctions F or mer P/N Ke y Word Item Qty Mater ial P/N **"FR ONT"**  **VIP benc h seat retr**  **ofit kit, inc**  **luding inc luding:**  **1 365V08-0079-0271**  shim (1) 4 365V08-0079-20 shim, 4 holes (4) 2 365V08-0079-23 shim, 3 holes (5) 2 365V08-0079-24 **3.C.2. Material to be or**  **dered separatel y**  Not applicab le . **3.C.3. Material to be modified at the Man**  **ufacturer's or to be returned** Not applicab le . **3.C.4. Pr**  **oducts to be or dered separatel**  **y** The ing redients can be ordered separ ately , from the INTER TURBINE compan y: W ebsite: http://www .itlogistics .de T elephone: +49.41.91.809.300 A OG: +49.41.91.809.444 Ke y Word Item Qty Mater ial P/N Adhesiv e EC2216 B/A (10) 100 g r DHS172-172.20 Cleaning agent (11) 1 liter Meth yl-eth yl-Ketone (MEK) P etrolatum (12) 100 g r AIR 3565 / A **3.C.5. T**  **ooling** Not applicab le . **3.C.6. Material supplied b**  **y the User** Not applicab le . **3.C.7. Material required f**  **or non-installed components** Not applicab le .



### P age 15 / 17 

# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 

### SERVICE B ULLETIN EC155

### 3.D **. PR**  **OCUREMENT CONDITIONS**

Order the required quantity from the EUR OCOPTER netw or k's Customer Suppor t Sales Depar tment, from EUR OCOPTER Etab lissement de Mar ignane Direction VENTES Ser vice Client (C .R.) 13725 MARIGNANE CEDEX FRANCE



### P age 16 / 17 

# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 

### SERVICE B ULLETIN EC155

### 4. **APPENDIX**

Not applicab le .



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# 25-095 Appro v ed under EASA DO A No . 21J .056. 2009.06.25 

### SERVICE B ULLETIN EC155