| Number | 
                            2025-0239 | 
                        
                        
                            | Issued by | 
                               Europe | 
                        
                        
                            | Issue date | 
                            2025-10-27 | 
                        
                                                
                            | Effective date | 
                            2025-11-10 | 
                        
                                                
                            | EASA approval number | 
                             | 
                        
                        
                            | ATA Chapter | 
                            67 | 
                        
                        
                            Approval Holder  / Type Designation | 
                            
                                
                                    - 
                                        AIRBUS HELICOPTERS
                                        
                                            - 
                                                SA/AS 365 / EC 155
                                                
                                                    - 
                                                        AS 365 N2
                                                    
 
                                                    - 
                                                        AS 365 N3
                                                    
 
                                                    - 
                                                        EC 155 B
                                                    
 
                                                    - 
                                                        EC 155 B1
                                                    
 
                                                    - 
                                                        SA 365 N
                                                    
 
                                                    - 
                                                        SA 365 N1
                                                    
 
                                                 
                                             
                                         
                                     
                                 
                             | 
                        
                        
                            | Revision | 
                            
                                Not applicable
    			              | 
                        
                        
                            | Correction | 
                            
                                Not applicable
    			              | 
                        
                        
                            | Supersedure | 
                            
                                This AD supersedes EASA AD 2024-0110 dated 06 June 2024.
                             | 
                        
                        
                            | Publication(s) and related information | 
                            Airbus Helicopters ASB AS365-67-30-0001 Revision 01 dated 18 April 2024, or Revision 02 dated 15 May 2024, or Revision 03 dated 21 May 2025.
Airbus Helicopters ASB EC155-67-30-0001 Revision 01 dated 18 April 2024 or Revision 02 dated 15 May 2024, or Revision 04 dated 18 June 2025.
The use of later approved revisions of the above-mentioned documents is acceptable for compliance with the requirements of this AD. | 
                        
                        
                            | PAD number | 
                            25-139 | 
                        
                        
                            | Remarks | 
                            
                                1. If requested and appropriately substantiated, EASA can approve Alternative Methods of Compliance for this AD.
2. This AD was posted on 08 September 2025 as PAD 25-139 for consultation until 06 October 2025. No comments were received during the consultation period.
3. Enquiries regarding this AD should be referred to the EASA Safety Information Section, Certification Directorate. E-mail: ADs[at]easa.europa.eu.
4. Information about any failures, malfunctions, defects or other occurrences, which may be similar to the unsafe condition addressed by this AD, and which may occur, or have occurred on a product, part or appliance not affected by this AD, can be reported to the EU aviation safety reporting system. This may include reporting on the same or similar components, other than those covered by the design to which this AD applies, if the same unsafe condition can exist or may develop on an aircraft with those components installed. Such components may be installed under an FAA Parts Manufacturer Approval (PMA), Supplemental Type Certificate (STC) or other modification.
                             |