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N° 10 9SP-143 DATE : February 22, 2021 REV. : A - July 22, 2021 Page 1 of 21 TITLE ATA 25 - INSPECTION OF HOIST SUPPORT ASSEMBLY P/N 109-0705V04-301
REVISION LOG Helicopters which are already complying with previous issue of this Service Bulletin must not change their current scheduling for recurring inspection.
Revision A is issued in order to update the Effectivity, Compliance and Accomplishment Instructions paragraphs.
Revision bars identify changes.
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°109SP-143 ALERT DATE: February 22, 2021 Page 2 of 21 REVISION: A - July 22, 2021
1. PLANNING INFORMATION NOTE Goodrich Alert Service Bulletin N°44316-505-01 Rev.2 is attached in Annex A to add information about accomplishment instruction. In case any discrepancy between Goodrich Service Bulletin and this SB is found, the instructions reported in this bulletin must be followed.
A. EFFECTIVITY All the Hoist Support Assembly P/N 109-0705V04-301 (vendor P/N 44316-505) in stalled on AW109SP helicopters.
B. COMPLIANCE NOTE Hoist Support Assembly manufacturing date is stamped on the hoist support assembly nameplate.
For Hoist Support Assemblies with less than 12 months from the manufacturing d ate:
Whichever occurs later, (A) or (B):
(A) Within and not later 12 months from the manufacturing date, and subsequently each 12 months;
(B) Within 50 FH or 3 months, whichever occurs first after the issue of Rev.
A of this Service Bulletin, and subsequently each 12 months.
For Hoist Support Assemblies with more than 12 months from the manufacturing date:
Within 50 FH or 3 months, whichever occurs first after the issue of Rev. A of this Service Bulletin, and subsequently each 12 months.
C. CONCURRENT REQUIREMENTS N.A.
D. REASON This Service Bulletin is issued in order to provide the necessary instruction to perform an inspection of the internal surface of Hoist Support Assembly P/N 109-0705V04-301 (vendor P/N 44316-505).
S.B . N°109SP-143 ALERT DATE: February 22, 2021 REVISION: A - July 22, 2021 Page 3 of 21 E. DESCRIPTION Some cases of corrosion have been found inside the Hoist Support Assembly affecting bo th the huck bolt heads and the support surfaces (See Annex A for reference). While the investigation in determining the root cause and the corrective action is ongoing, LHD decided, as a precautionary measure to issue this SB to introduce a repetitive inspection of the potentially affected parts. It is required to remove the end caps of the hoist support assembly and check the internal side for corrosion. If anomalies are found, instructions are provided to take pictures that will be used to determine the serviceability of the part.
Revision A of this Service Bulletin is issued to modify the effectivity of the SB, accounting for new parts and to introduce some acceptability criteria of the Hoist Support Assembly corrosion. In addition, definition of serviceable part is provided as well.
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 1,25 (one and a quarter) MMH is deemed ne cessary.
MMH are based on hands-on time and can change with personnel and facilities available.
H. WEIGHT AND BALANCE N.A.
S.B . N°109SP-143 ALERT DATE: February 22, 2021 Page 4 of 21 REVISION: A - July 22, 2021 I. REFERENCES
1) PUBLICATIONS
DATA MODULE DESCRIPTION PART DM01 0B-A-00-20-00-00A-120A-A Helicopter safety - Pre-operation - Goodrich CMM 25-00-36-1 Rescue Hoist Assembly -
2) ACRONYMS AMDI Aircraft Material Data Information AM P Aircraft Maintenance Publication AMPI Aircraft Maintenance Planning Information CMM Component Maintenance Manual DM Data Module DOA Design Organization Approval EASA European Aviation Safety Agency IPD Illustrated Parts Data Publication LHD Leonardo Helicopters Division MMH Maintenance Man Hours P/N Part Number
3) ANNEX Annex A Goodrich Alert Service Bulletin n°44316-505-01 Rev.2 J. PUBLICATIONS AFFECTED 0B-B-AMPI-00-P - AW109SP Aircraft Maintenance Planning Information.
K. SOFTWARE ACCOMPLISHMENT SUMMARY N.A.
S.B . N°109SP-143 ALERT DATE: February 22, 2021 REVISION: A - July 22, 2021 Page 5 of 21
2. MATERIAL INFORMATION A. REQUIRED MATERIALS
1) PARTS Refer to Goodrich Alert SB n°44316-505-01 Rev.2 attached in Annex A.
2) CONSUMABLES Ref er to Goodrich Alert SB n°44316-505-01 Rev.2 attached in Annex A. Refer also to AW109SP AMDI for the consumable materials required to comply with the AMP DMs referenced in the accomplishment instructions.
3) LOGISTIC MATRIX N.A .
B. SPECIAL TOOLS Refer to ITEP for the special tools required to comply with the AMP DMs referenced in th e accomplishment instructions.
C. INDUSTRY SUPPORT INFORMATION To receive replacement component and tool in support of this Service Bulletin, the Cu stomer should e-mail a free of charge purchase order to GHW@collins.com. The purchase order should be made to Collins Aerospace and make reference to Service Bulletin 109SP-143 (last revision), with instructions on the location where the replacement has to be shipped. Collins Aerospace will evaluate the request and will provide specific information.
NOTE: Leonardo Helicopters recommends that operators place their order as soon as possible.
S.B . N°109SP-143 ALERT DATE: February 22, 2021 Page 6 of 21 REVISION: A - July 22, 2021
3. ACCOMPLISHMENT INSTRUCTIONS
GENERAL NOTES
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 inspection area and adequately protect them until their later re-use.
1. In accordance with DM 0B-A-00-20-00-00A-120A-A, pre pare the helicopter on ground for a safe maintenance.
2. In accordance with Goodrich ASB n°44316-505-01 Rev.2 in Annex A, perform a detailed inspection of the Hoist Support Assembly P/N 109-0705V04-301 (vendor P/N 44316-
505).
3. Send pictures taken during execution of step 2 to Leonardo and Goodrich at the following email addresses:
engineering.support.lhd@leonardocompany.com;
GHW@collins.com.
Pictures must be enclosed with reference to the present SB, date of inspection, S/N of Hoist Support Assembly, and if installed on aircraft, S/N of aircraft.
NOTE A se rviceable part is:
A part that in the last 12 months has performed the inspection required at point 2 of this SB without any sign of corrosion.
A part that in the last 12 months has performed the inspection required at point 2 of this SB retrieving signs of corrosion but has been addressed as serviceable by the design authority.
A part that has less than 12 months since the manufacturing date as reported on the relevant nameplate.
4. In case no signs of corrosion are retrieved, procee d with step 5, otherwise contact Leonardo Helicopters and Goodrich at the email addresses detailed at point 3 to evaluate part serviceability.
S.B . N°109SP-143 ALERT DATE: February 22, 2021 REVISION: A - July 22, 2021 Page 7 of 21 If necessary, in accordance with Goodrich CMM 25-00-36 -11 (available at Goodrich TechPubs Customer Portal: www.customers.collinsaerospace.com), replace the boom with a serviceable one.
5. Return the helicopter to a ready to flight condition and record for compliance with this Service Bulletin on the helicopter logbook.
6. Send the attached compliance form to the following mail box:
engineering.support.lhd@leonardocompany.com As an alternative, gain access to My Communications section on Leonardo WebPortal and compile the “Service Bulletin Application Communication”.
No n cancellare mai questo segnalibro Non cancellare mai interruzione sezione
ANNEX A S.B. N°109SP-143 ALERT DATE: February 22, 2021 Page 8 of 21 REVISION: A - July 22, 2021
ANNEX A
GOODRICH AL ERT SERVICE BULLETIN N°44316-505-01 REV.2
LEONARDO
ANNEX A HELICOPTERS
GOODRICH
ALERT SERVICE BULLETIN Equipment/Furnishings - Boom Assembly Inspection - Safety and Reliability TO: HOLDERS OF SERVICE BULLETIN 44316-505-01 REVISION 1, DATED FEB 05/21 COVERING THE HOIST SUPPORT ASSEMBLY P/N 44316-505.
REVISION NO. 2, DATED JUL 09/21
HIGHLIGHTS Pages which have been revised are outlined below together with the highlights of the revision. Please destroy obsolete pages in your copy of this bulletin and replace them with Revision No. 2 pages dated Jul 09/21.
PAGE NO DESCRIPTION OF CHANGE EFFECTIVITY All Updated Revision Number and Date All 1 Updated Paragraph 1.A All Updated Paragraph 1.D All Added Step 4 to Paragraph 2.C All 10 Revised Figure 4 - Alert Service Bulletin Label All Initial Date: Feb 05/21 44316-505-01 Highlights-1 Jul 09/21 Warning - This information contains technical data subject to EAR ECCN: EAR9B Rev 2 S.B. N°109SP-143 ALERT DATE: February 22, 2021 REVISION: A - July 22, 2021 Page 9 of 21
ANNEX A * LEONARDO HELICOPTERS
GOODRICH
ALERT SERVICE BULLETIN Equipment/Furnishings - Boom Assembly Inspection - Safety and Reliability
THIS PAGE INTENTIONALLY LEFT BLANK Initial Date: Feb 05/21 44316-505-01 Highlights-2 Jul 09/21 Waming - This information contains technical data subject to EAR ECCN: EAR Rev 2 S.B. N°109SP-143 ALERT DATE: February 22, 2021 Page 10 of 21 REVISION: A - July 22, 2021
ANNEX A * LEONARDO HELICOPTERS
GOODRICH
ALERT SERVICE BULLETIN Equipment/Furnishings - Boom Assembly Inspection - Safety and Reliability
1. Planning Information A. Effectivity This Alert Service Bulletin (ASB) and the information it contains is applicable to the Hoist Support Assembly, P/N 44316-505. These Hoist Support Assemblies are manufactured by Goodrich Corporation, Brea, California (CA).
B. Reason The Hoist Support Assembly (P/N 44316-505) used on the Helicopter A109 have the possibility of corrosion on the interior surface of the Boom Torque Tube (P/N 44316-526) of the Boom Assembly (P/N 44316-515) due to liquid intrusion.
C. Description This Alert Service Bulletin identifies the Hoist Support Assembly (P/N 44316-505) that require inspection of its Boom Assembly (P/N 44316-515). Instructions are provided to examine and photograph the Boom Assembly (P/N 44316-515) for the existence of corrosion on the exterior and interior surfaces of the Boom Torque Tube (P/N 44316-526) in order to determine the continued airworthiness of the Hoist Support Assembly (P/N 44316-505).
Instructions are also provided to upload the photographs to Goodrich. This helps Goodrich to determine the scope of the issue, identity any variables that may be contributors to the issue and whether or not the Boom Assembly should be removed from service. Based on this determination, Goodrich may contact the operator to provide direction on action to be taken on that particular Boom Assembly.
Instructions in this Service Bulletin shall be applied to prevent corrosion to the Boom Torque Tube (P/N 44316-526) or to prevent further corrosion if there is preexisting corrosion.
D. Compliance Goodrich Corporation requires the performance of this Alert Service Bulletin within 90 days or 50 FH, which ever occurs first, of release of this ASB with recurring inspections on annual basis until a terminating action is provided.
This Alert Service Bulletin may be performed by the aircraft operator or a maintenance provider delegated by the operator.
E. Approval This Service Bulletin contains no modification information that revises the approved configuration. The work performed is in compliance with the existing FAA/EASA approved configuration.
Initial Date: Feb 05/21 44316-505-01 Page 1 of 11 Jul 09/21 Warning - This information contains technical data subject to EAR ECCN: EARB Rev 2 S.B. N°109SP-143 ALERT DATE: February 22, 2021 REVISION: A - July 22, 2021 Page 11 of 21
LEONARDO
ANNEX A HELICOPTERS
GOODRICH
ALERT SERVICE BULLETIN Equipment/Furnishings - Boom Assembly Inspection - Safety and Reliability F. Manpower
(1) The estimated amount of labor to accomplish the instructions of this Alert Service Bulletin for one Hoist Support Assembly as follows:
Table 1. Estimated Time
TASK TIME (MIN) Removal of Tube Plugs from Boom Torque Tube 15 Perform visual inspection of Boom Torque Tube for evidence of 15 corrosion Photograph and upload files 15 Clean corrosion from interior of Boom Tube if necessary 15 Installation of new Tube Plugs on Boom Torque Tube 15 NOTE: Times do not include curing time for adhesives. Refer to manufacturer's instruction for recommended curing times.
(2) The inspection described in this Alert Service Bulletin may be performed by the operator or other authorized repair facility.
G. Material - Cost and Availability
(1) The following components are required to accomplish this Alert Service Bulletin.
Table 2. Required Components
NEW OR INSTRUCTIONS/
MODIFIED P/N DESCRIPTION QTY OLD P/N DISPOSITION ASBL44316-505-01* Alert Service 1 N/A Install Alert Service Bulletin Bulletin Label Label. See Figure 4.
44316-554 Tube Plug 2 44316-554 Discard and replace the Tube Plugs as shown in Figure 3.
*Not supplied. Create label per Paragraph 2.F Initial Date: Feb 05/21 44316-505-01 Page 2 of 11 Jul 09/21 Warning - This information contains technical data subject to EAR EON: EAR99 Rev 2 S.B. N°109SP-143 ALERT DATE: February 22, 2021 Page 12 of 21 REVISION: A - July 22, 2021