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P age 1 of 12 N ° 139-734 D ATE: April 13, 2023 REV. : / - March 15, 2017 TITLE ATA 25 – LIFE RAFT INFLATION SYSTEM REPLACEMENT
REVISION LOG First Issue.
An appropriate entry should be made in the aircraft log book upon accomplishment.
If ownership of aircraft has changed, please, forward to new owner.
Leonardo S.p.A.
Via Giovanni Agusta, 520 21017 Cascina Costa di Samarate (VA) Italy Tel.: +39 0331 229111 - Fax: +39 0331 229605/222595 ALERT
SERVICE BULLETIN
S.B. N°139-734 ALERT DATE: April 13, 2023 Page 2 of 12 REVISION: /
1. PLANNING INFORMATION A. EFFECTIVITY NOTE It is necessary to check the Collective Emergency Life Raft Log Card to verify if the specific component is affected by this Service Bulletin.
NOTE The Inflation Systems indicated below are NOT affected by this Service Bulletin only in case:
the Aero Sekur Service Bulletin SB-139-25-005 or Survitec Service Bulletin SB 25-225-A is already marked on the Collective Emergency Life Raft Log Card and on the relative label, where the affected Inflation System is fitted (ref. to Figure 3);
the Survitec Service Bulletin SB 25-225-A is already marked on the affected Inflation System (ref. to Figure 3).
All life raft inflation systems P/N 202402A (RFD P/N 45521002) part of life raft assemblies P/N 3G2560V00431, P/N 3G2560V00432, P/N 3G2560V00433 or P/N 3G2560V00434 with S/Ns listed in Figure 1 and P/N 202256A (RFD P/N 45521003) part of life raft assemblies P/N 3G2560V00331, P/N 3G2560V00332, P/N 3G2560V00333 or P/N 3G2560V00334 with S/Ns listed in Figure 2 provided and installed on AW139 helicopters or kept in stock.
B. COMPLIANCE Within and not later than 300 flight hours or 1 year whichever occurs first after the issue of this Service Bulletin.
C. CONCURRENT REQUIREMENTS N.A.
D. REASON This Service Bulletin is issued in order to replace a specific batch of inflation systems part of life raft kits P/N 3G9560F00111, P/N 3G9560F00112 or P/N 4G2560F00811.
S.B. N°139-734 ALERT DATE: April 13, 2023 REVISION: / Page 3 of 12 E. DESCRIPTION As a consequence of an in-service event where the valve of a spare inflation system was broken during shipment, due to inappropriate packaging by the Supplier, this Service Bulletin prescribes the replacement of the inflation system belonging to a specific batch of S/Ns which have been shipped as spares in the same conditions.
It is required a log card inspection in order to identify the affected S/N.
F. APPROVAL The technical content of this Service Bulletin is approved under the authority of DOA nr.
EASA.21.J.005. For helicopters registered under other Aviation Authorities, before applying the Service Bulletin, applicable Aviation Authority approval must be checked within Leonardo Helicopters customer portal.
EASA states mandatory compliance with inspections, modifications or technical directives and related time of compliance by means of relevant Airworthiness Directives.
If an aircraft listed in the effectivity embodies a modification or repair not LHD certified and affecting the content of this Service Bulletin, it is responsibility of the Owner/Operator to obtain a formal approval by Aviation Authority having jurisdiction on the aircraft, for any adaptation necessary before incorporation of the present Service Bulletin.
G. MANPOWER To comply with this Service Bulletin 4 (four) MMH are deemed necessary.
MMH are based on hands-on time and can change with personnel and facilities available.
H. WEIGHT AND BALANCE N.A.
I. REFERENCES
1) PUBLICATIONS
DOCUMENT DESCRIPTION PART SB-139-25-005 Aero Sekur Service Bulletin - SB 25-225-A Surivtec RFD Service Bulletin - Following Data Modules refer to AMP:
DATA MODULE DESCRIPTION PART DM01 39-A-00-20-00-00A-120A-A Helicopter on ground for a safe maintenance.
-
S.B. N°139-734 ALERT DATE: April 13, 2023 Page 4 of 12 REVISION: /
DATA MODULE DESCRIPTION PART DM02 39-A-25-62-03-00A-520A-K Left life raft container - Remove procedure - DM03 39-C-25-62-04-00A-520A-K Right life raft container - Remove procedure - DM04 39-A-25-62-04-00A-520A-K Right life raft container - Remove procedure - DM05 39-C-25-62-03-00A-520A-K Left life raft container - Remove procedure - DM06 39-A-25-62-03-00A-720A-K Left life raft container - Install procedure - DM07 39-C-25-62-04-00A-720A-K Right life raft container - Install procedure - DM08 39-A-25-62-04-00A-720A-K Right life raft container - Install procedure - DM09 39-C-25-62-03-00A-720A-K Left life raft container - Install procedure - DM10 39-A-25-62-07-02A-91LA-K Life raft (life raft container) - Unfold/fold procedures -
2) ACRONYMS & ABBREVIATIONS AMDI Aircraft Material Data Information AMP Aircraft Maintenance Publication DM Data Module DOA Design Organization Approval EASA European Aviation Safety Agency MMH Maintenance Man Hours P/N Part Number S/N Serial Number
3) ANNEX N.A.
J. PUBLICATIONS AFFECTED N.A.
K. SOFTWARE ACCOMPLISHMENT SUMMARY N.A.
S.B. N°139-734 ALERT DATE: April 13, 2023 REVISION: / Page 5 of 12
2. MATERIAL INFORMATION A. REQUIRED MATERIALS
1) PARTS # P/N ALTERNATIVE P/N DESCRIPTION Q.TY LVL NOTE LOG P/N 1 202402A 45521002 Right Inflation System AR . (1) (2) - 2 202256A 45521003 Left Inflation System AR . (1) (2) -
Refer also to IPD for the spares materials required to comply with the AMP DMs referenced in the accomplishment instructions.
2) CONSUMABLES Refer also to AMDI for the consumable materials required to comply with the AMP DM referenced in the accomplishment instructions.
3) LOGISTIC MATRIX N.A.
NOTE
(1) The quantity of the inflation systems depends on the results of the log card check.
(2) If the check of the S/Ns on the log card requires a new inflation system, order P/N 202402A or P/N 202256A in accordance with the P/N of the inflation system affected.
B. SPECIAL TOOLS Refer also to ITEP for the special tools required to comply with the AMP DM referenced in the accomplishment instructions.
C. INDUSTRY SUPPORT INFORMATION To receive replacement component and tool in support of this Service Bulletin, the Customer should e-mail a request to product-support@sekur.aero or to Leonardo Helicopters (LH) depending on contractual requirements. The request should refer to Service Bulletin 139-734, with instructions on the location where the replacement has to be shipped adding relative Log Card with evidence of the S/N of the component installed or in stock. In case of this documentation is missing the request could be rejected.
Aero Sekur or LH will provide information with return address with shipping instructions.
Moreover, an RMA for the component being replaced will be issue. Shipping costs will be FOC for customers.
S.B. N°139-734 ALERT DATE: April 13, 2023 Page 6 of 12 REVISION: / NOTE: On RMA will be included all data about the unit disembarked from the aircraft (P/N 202402A/45521002 or P/N 202256A/45521003). The unit has to be returned to LHD within thirty (30) calendar days after the shipment of the replacement part.
In case of missing return within thirty (30) calendar days, Customer will be invoiced for the price of the replacement part (P/N 202402A/45521002 or P/N 202256A/45521003).
S.B. N°139-734 ALERT DATE: April 13, 2023 REVISION: / Page 7 of 12
3. ACCOMPLISHMENT INSTRUCTIONS
GENERAL NOTE
a) Place an identification tag on all components that are re-usable, including the attaching hardware that has been removed to gain access to the modification area and adequately protect them until their later reuse.
b) For the physical identification of cylinder and valve S/Ns refer also to Figure 4.
NOTE Skip the following step for components kept in stock.
1. In accordance with AMP DM 39-A-00-20-00-00A-120A- A, prepare the helicopter on ground for a safe maintenance. Disconnect the battery, all electrical power sources and/or the external power supply.
2. If the S/N of the inflation system is included in the lists of Figures 1 and 2 replace the inflation system in accordance to the following procedure:
NOTE Skip the following step for components kept in stock.
2.1 In accordance with AMP DM 39-A-25-62-03-00A-520A -K or AMP DM 39-C-25-62-04-00A-520A-K or AMP DM 39-A-25-62-04-00A-520A-K or AMP DM 39-C-25-62-03-00A-520A-K, as applicable, remove the life raft from the helicopter.
2.2 In accordance with the applicable steps of AMP DM 39-A-25-62-07-02A-91LA-K remove the affected inflation system and send it back to Aero Sekur, or to Leonardo Helicopters (LH) depending on contractual requirements, in order to receive a serviceable inflation system.
2.3 In accordance with the applicable steps of AMP DM 39-A-25-62-07-02A-91LA-K install a serviceable inflation system on the life raft.
NOTE Skip the following step for components kept in stock.
2.4 In accordance with AMP DM 39-A-25-62-03-00A-720A -K or AMP DM 39-C-25-62-04-00A-720A-K or AMP DM 39-A-25-62-04-00A-720A-K or AMP DM 39-C-25-62-03-00A-720A-K, as applicable, reinstall the life raft on the helicopter.
S.B. N°139-734 ALERT DATE: April 13, 2023 Page 8 of 12 REVISION: / NOTE Skip steps 3 and 4 for components kept in stock.
3. Repeat step 2, if applicable, on the life raft on the opposite side.
4. Return the helicopter to flight configuration and record for compliance with this Service Bulletin on the helicopter logbook and on the component log card.
5. Gain access to My Communications section on Leonardo WebPortal and compile the “Service Bulletin Application Communication”.
As an alternative, send the attached compliance form to the following mail box:
engineering.support.lhd@leonardo.com and (for North, Central and South America) also to:
AWPC.Engineering.Support@leonardocompany.us
K LEONARDO
HELICOPTER Cylinder serial Valve serial Cylinder serial Valve serial number number number number OL44026 23089 OL44368 24363 OL44023 23072 OL44466 24420 OL44027 23068 OL44487 24424 OL44012 23067 OL44463 24457 OL44137 23066 OL44473 24459 OL44115 26093 OL44471 24458 OL44111 22110 OL44480 24461 OL44102 23033 OL44450 24422 OL44106 23031 OL44550 25113 OL44107 22172 OL44551 25110 OL44084 22107 OL44552 25111 OL44089 23063 OL44553 25112 OL44128 23335 OL44519 25128 OL44129 23334 OL44462 24460 OL44268 24139 OL44573 25145 OL44286 24239 OL44596 25141 OL44365 24235 OL44455 25126 OL44339 24270 OL44609 25150 OL44349 24271 OL44573 25145 OL44361 24273 OL44563 25142 OL44357 24243 OL44567 25160 OL44352 24275 OL44590 25159 OL44368 24363 OL44597 25157 OL44383 24277 OL44612 25158 OL44319 24362 OL44631 25161 OL44416 24364 OL44624 25234 OL44481 24423 P/N 202256A (RFD P/N 45521003) Figure 1 S.B. N°139-734 ALERT DATE: April 13, 2023 REVISION: / Page 9 of 12
LEONARDO
HELICOPTERS Cylinder serial Valve serial Cylinder serial Valve serial number number number number OL44022 22280 OL44431 24437 OL44031 22284 OL44436 24440 OL44160 22302 OL44437 24434 OL44195 24252 OL44438 24433 OL44219 24254 OL44443 24405 OL44261 24248 OL44444 24441 OL44282 24250 OL44445 24435 OL44287 24284 OL44446 24438 OL44307 22290 OL44472 24450 OL44311 22306 OL44474 24449 OL44335 24285 OL44485 24451 OL44337 24434 OL44496 22493 OL44341 24291 OL44510 22496 OL44346 24290 OL44524 22494 OL44350 24137 OL44543 24491 OL44355 24286 OL44557 24492 OL44360 24289 OL44562 25131 OL44372 24347 OL44574 25132 OL44381 24309 OL44623 25239 OL44394 24305 OL44625 25170 OL44415 24408 OL44628 25172 OL44417 24406 OL44632 25238 OL44420 24442 OL44636 25235 OL44421 24407 OL44638 25171 OL44426 24436 OL44641 25267 OL44429 24439 OL44645 25237 P/N 202402A (RFD P/N 45521002) Figure 2 S.B. N°139-734 ALERT DATE: April 13, 2023 Page 10 of 12 REVISION: /
LEONARDO
HELICOPTERS
INFLATABLE LIFERAFT TYPE PART No.
DATE OF MFR.
RATED CAPACITY PERS.
OVERLOAD CAPACITY PERS.
SERIAL No.
STOWAGE TYPE
TOTAL WEIGHT INSPECTED 25-225-A NEXT SERVICE DUE VER. 1
CAA APPROVAL E FAA TSO C70a TYPE FAR PART SE50825-P E.L.T./BEACON YES/NO AFOLTD.
DUNMURRY, BELFAST.
N. IRELAND.
VALISE P.N.
ASB 25-225-A VERI APPLIED
VALVE P/N Figure 3 S.B. N°139-734 ALERT DATE: April 13, 2023 REVISION: / Page 11 of 12
· LEONARDO HELICOPTERS TC-3CCM-207 DOT-SP 10915-3000 LUXFER OL 44396 > LUXFER 11 A 20 REE: 118 CONTENTS: 60 SCF AIR AT 3000 PSIG Luxfer Part Number: L62M survitec
CYLINDER PART NUMBER CYLINDER SERIAL NUMBER 10L 4439%-
SAS CHARGE & 11-3:006 DEA: LABEL & WAVE.
6-416
6.409 24362 WPR. 4000 PSIG MAX CIRCOR MODEL IVA-A
CYLINDER S/N
VALVE S/N Figure 4 S.B. N°139-734 ALERT DATE: April 13, 2023 Page 12 of 12 REVISION: /