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EMERGENCY ALERT SERVICE BULLETIN

Airbus Helicopters EC130 T2 · Service Bulletins

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Overview

This document is an Emergency Alert Service Bulletin (EASB) for the Airbus Helicopters EC130 T2 and B4 models, focusing on limitations for the center shaft assembly of the tail rotor drive. It outlines mandatory compliance instructions based on the time since new (TSN) of the center shaft assembly to ensure safety and prevent failure.

  • Mandatory compliance for center shaft assembly limitations.
  • Applicable to EC130 B4 and T2 models.
  • Specific TSN thresholds dictate compliance timelines.
  • Cracks may initiate from the riveted area of the assembly.
  • Failure to comply may lead to safety risks.
  • Contact Airbus Helicopters for further instructions.
  • No U.S. origin ITAR or EAR content.
  • No special tools required for compliance.

Document

Source

Originally published by regulations.gov. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

View original at regulations.gov

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Document details

Type
·
Service Bulletins
Year
·
2025
File size
·
398 KB
Publisher
·
regulations.gov
Language
·
en

Specifications & performance

Extracted from this document.

Specifications

Center shaft assembly part number
·
350A34-0214-01
About this document
What is the EMERGENCY ALERT SERVICE BULLETIN?

The EMERGENCY ALERT SERVICE BULLETIN is a service bulletins for the Airbus Helicopters EC130 T2, dated 2025.

Where does the EMERGENCY ALERT SERVICE BULLETIN come from?

This copy of the EMERGENCY ALERT SERVICE BULLETIN was originally published by regulations.gov and is hosted on Sprinkle as a free, searchable reference copy.

What year was the EMERGENCY ALERT SERVICE BULLETIN published?

The EMERGENCY ALERT SERVICE BULLETIN — the Airbus Helicopters EC130 T2 service bulletins on file — is dated 2025.

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In this document

Applicability

This EASB applies to EC130 models B4 and T2, specifically addressing the center shaft assembly.

Compliance Instructions

Compliance is mandatory and varies based on the TSN of the center shaft assembly, with specific actions required within defined flight hours.

General Evaluation

The document includes a general evaluation table indicating compliance requirements.

Planning Information

Details the reason for the EASB, which is based on fatigue tests indicating potential failure risks.

Accomplishment Procedure

Outlines the steps for replacing the center shaft assembly and necessary safety conditions.

Requirements After Job Completion

Instructions for cleaning up the work area and documenting compliance after the job is completed.

Safety notes

  • Read safety and general maintenance instructions before starting tasks.
  • A crack can propagate until failure of the center shaft assembly.
  • Contact Airbus Helicopters before resuming flights after compliance.

Full document text

EASB EC130-65-00-0001 Issue 001 2025-11-06 EMERGENCY ALERT SERVICE BULLETIN TITLE: Tail rotor drive - Limitations on the center shaft assembly SB Type: Protective measure APPLICABILITY Model: EC130 Version: B4, T2 Components affected Designation MP/N P/N Center shaft assembly 350A34-0214-01 350A34021401 COMPLIANCE: MANDATORY Comply with this EASB according to the table that follows: Limitations on the center shaft assembly Aircraft version Condition Once only instructions EC130 B4 If the TSN of the center shaft assembly is 9750 FH or more when you receive issue 001 of this EASB Comply with the ACCOM PLISHMENT INSTRUC TIONS paragraph 11.1. of this EASB within 10 FH after you received issue 001 of this EASB without you ex ceed the current SLL dis played in the ALS Export Control : US Export Control - No US content. This Item does not contain any U.S. origin ITAR or EAR content. FR Export Control - Not Listed. This Item is not listed against the EC regulations in the EU/FR. EASB EC130-65-00-0001 Page 1/13 Export Control : - US_EC_NoUScontent FR_EC_NotListed EASB EC130-65-00-0001 Issue 001 2025-11-06 Limitations on the center shaft assembly EC130 B4 If the TSN of the center shaft assembly is 6050 FH or more and less than 9750 FH when you receive issue 001 of this EASB Comply with the ACCOM PLISHMENT INSTRUC TIONS paragraph 11.1. or 11.2. of this EASB within 50 FH after you received issue 001 of this EASB If the TSN of the central shaft assembly is less than 6050 FH when you receive issue 001 of this EASB Comply with the ACCOM PLISHMENT INSTRUC TIONS paragraph 11.1. or 11.2. of this EASB at the lat est when the center shaft as sembly reaches 6100 FH EC130 T2 If the TSN of the center shaft assembly is 8050 FH or more when you receive issue 001 of this EASB Comply with the ACCOM PLISHMENT INSTRUC TIONS paragraph 11.1. of this EASB within 10 FH after you received issue 001 of this EASB without you ex ceed the current SLL dis played in the ALS If the TSN of the center shaft assembly is 5550 FH or more and less than 8050 FH when you receive issue 001 of this EASB Comply with the ACCOM PLISHMENT INSTRUC TIONS paragraph 11.1. or 11.2. of this EASB within 50 FH after you received issue 001 of this EASB If the TSN of the center shaft assembly is less than 5550 FH when you receive issue 001 of this EASB Comply with the ACCOM PLISHMENT INSTRUC TIONS paragraph 11.1. or 11.2. of this EASB at the lat est when the center shaft as sembly reaches 5600 FH SUMMARY The purpose of this EASB is to give limitations on the center shaft assembly before it reaches its SLL. EASB EC130-65-00-0001 Page 2/13 Export Control : - US_EC_NoUScontent FR_EC_NotListed EASB EC130-65-00-0001 Issue 001 2025-11-06 GENERAL EVALUATION Evaluation table Once only YES Recurring NO GENERAL ILLUSTRATION EASB EC130-65-00-0001 Page 3/13 Export Control : - US_EC_NoUScontent FR_EC_NotListed EASB EC130-65-00-0001 Issue 001 2025-11-06 PLANNING INFORMATION 1. REASON Recent fatigue tests performed by Airbus Helicopters on Tail Drive Line provided data that can impact the Service Life Limit of the part. A crack can initiate from the riveted area and propagate until failure of the center shaft assembly. Consequently, as a first precautionary protective measure, the purpose of this EASB is to give limitations on the center shaft assembly before it reaches its SLL. 2. DESCRIPTION This EASB provides limitations on the center shaft assembly before it reaches its SLL. 3. CONFIGURATION DEFINITION Not applicable. 4. CONCURRENT REQUIREMENTS Not applicable. 5. APPROVAL The technical content of this document is approved under the authority of the Design Organization Approval ref. EASA.21J.700. 6. MANPOWER NOTE The purpose of the below information is to give Airbus Helicopters customers a guideline for maintenance scheduling. It is not a contractual information. It does not take into account the drying/curing time which is given in each product’s data sheet. EASB EC130-65-00-0001 Page 4/13 Export Control : - US_EC_NoUScontent FR_EC_NotListed EASB EC130-65-00-0001 Issue 001 2025-11-06 6.1. Manpower for center shaft assembly replacement Number of Persons Qualification Estimated man hours 2 Mechanical technician 6 h 7. WEIGHT AND BALANCE Not applicable. 8. ELECTRICAL LOAD DATA Not applicable. 9. DOCUMENTATION AFFECTED Not applicable. 10. MATERIAL INFORMATION 10.1. Price For information about the price of the material kits and/or components, or for aid, contact the Airbus Helicopters Network Sales and Customer Relations Department. 10.2. Availability Contact the Sales and Customer Relations Department to know the delivery lead times. 10.3. Procurement Send an order for the necessary quantities to the Airbus Helicopters Network Sales Department. 10.4. Mixability This EASB has no effect on the mixability. EASB EC130-65-00-0001 Page 5/13 Export Control : - US_EC_NoUScontent FR_EC_NotListed EASB EC130-65-00-0001 Issue 001 2025-11-06 10.5. LIST OF NEW MATERIALS Individual Spares List Item Designation Reference MFC QTY See Notes 2 CENTER SHAFT ASSEMBLY 350A34-0214-01 F0210 1 (1) NOTE(S) (1) A serviceable center shaft assembly is a new center shaft assembly or a center shaft assembly with a TSN below 6050 FH for EC130 B4 and below 5550 FH for EC130 T2 Consumables, Materials and Expendables Designation Reference MFC QTY None Special Tools Item Designation Reference MFC QTY None 10.6. LIST OF EXISTING PARTS Not applicable. 11. ACCOMPLISHMENT INSTRUCTION 11.1. Center shaft assembly replacement Comply with the ACCOMPLISHMENT PROCEDURE. Refer to . 65-00-0001, 933 11.2. Flight limitations Contact Airbus Helicopters before resuming flights. NOTE Further instructions will be provided by Airbus Helicopters. EASB EC130-65-00-0001 Page 6/13 Export Control : - US_EC_NoUScontent FR_EC_NotListed EASB EC130-65-00-0001 Issue 001 2025-11-06 12. ADDITIONAL INFORMATION Not applicable. End of section EASB EC130-65-00-0001 Page 7/13

Show full text

Export Control : - US_EC_NoUScontent FR_EC_NotListed EASB EC130-65-00-0001 Issue 001 2025-11-06 ACCOMPLISHMENT PROCEDURE 65-00-0001, 933 1. APPLICABILITY Model: EC130 Version: B4, T2 2. GENERAL INFORMATION Acronym / Abbreviation List ALS - Airworthiness Limitations Section AMM - Aircraft Maintenance Manual FH - Flight Hour h - Hour MTC - Manuel des Techniques Courantes (Standard Practices Manual) SLL - Service Life Limit TSN - Time Since New 3. PRELIMINARY REQUIREMENTS 3.1. Applicable Documents – Handling of helicopters in a hangar and in a prepared area- Handling MTC 20-07-01-201 – General Safety Instructions - Mechanical assemblies - General instructions - Mechanical assemblies AMM 60-00-00,3-1 – Removal - Center Shaft Section - Tail drive line AMM 65-11-00,4-3 – Installation - Central Shaft Section - Tail drive line AMM 65-11-00,4-4 3.2. Required condition – If necessary, park the helicopter in a hangar. Refer to MTC 20-07-01-201 – Disconnect all the electrical power supplies. 65-00-0001, 933 Page 8/13 Export Control : - US_EC_NoUScontent FR_EC_NotListed EASB EC130-65-00-0001 Issue 001 2025-11-06 – Install the applicable access equipment. – Remove and/or open all applicable cowlings, panels, doors and other items of equipment to get access to the different work areas. 3.3. Special Tools None 3.4. Consumables, Materials and Expendables None 3.5. Spares Designation Reference MFC QTY CENTER SHAFT ASSEMBLY 350A34-0214-01 F0210 1 65-00-0001, 933 Page 9/13 Export Control : - US_EC_NoUScontent FR_EC_NotListed EASB EC130-65-00-0001 Issue 001 2025-11-06 3.6. Safety conditions WARNING BEFORE YOU START THE TASK, READ THE SAFETY AND GENERAL MAINTENANCE INSTRUCTIONS . AMM 60-00-00,3-1 65-00-0001, 933 Page 10/13 Export Control : - US_EC_NoUScontent FR_EC_NotListed EASB EC130-65-00-0001 Issue 001 2025-11-06 4. PROCEDURE 4.1. Remove the center shaft assembly (1) . Refer to . (Figure 1) AMM 65-11-00,4-3 4.2. Install a serviceable center shaft assembly (2). Refer to . AMM 65-11-00,4-4 Figure 1 65-00-0001, 933 Page 11/13 Export Control : - US_EC_NoUScontent FR_EC_NotListed EASB EC130-65-00-0001 Issue 001 2025-11-06 NOTE If a serviceable central shaft assembly is installed, this EASB is applicable again when the center shaft assembly reaches 6100 FH for EC130 B4 and 5600 FH for EC130 T2. 4.3. Contact Airbus Helicopters to get instructions to send back the center shaft assembly (1) to Airbus Helicopters. 65-00-0001, 933 Page 12/13 Export Control : - US_EC_NoUScontent FR_EC_NotListed EASB EC130-65-00-0001 Issue 001 2025-11-06 5. REQUIREMENTS AFTER JOB COMPLETION 5.1. Remove all the tools, the materials and the equipment from your work area. 5.2. Install or close all cowlings, panels, doors and items of equipment that you removed and/or opened during the preliminary steps (paragraph set-up of this EASB). 5.3. Remove the access equipment. 5.4. Connect all the electrical power supplies. 5.5. Record the full compliance with this EASB, with its issue number, in the helicopter documents and, if applicable, in the log card of the equipment or its next higher assembly. 5.6. Record the compliance with this EASB with the QR code or hypertext link. EASB EC130-65-00-0001 End of Service Bulletin 65-00-0001, 933 Page 13/13 Export Control : - US_EC_NoUScontent FR_EC_NotListed

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