| Number | US-98-20-18 | 
                        
                            | Issued by |  United States of America | 
                        
                            | Issue date | 1998-11-13 | 
                                                
                            | Effective date | 1998-09-14 | 
                                                
                            | EASA approval number |  | 
                        
                            | ATA Chapter | 72 | 
                        
                            | Approval Holder / Type Designation
 | 
                                    
                                        INTERNATIONAL AERO ENGINES AG
                                        
                                     | 
                        
                            | Revision | Not applicable | 
                        
                            | Correction | Not applicable | 
                        
                            | Supersedure | This AD replaces FAA Priority Letter AD 98-20-18, issued September 14, 1998. | 
                        
                            | Publication(s) and related information |  | 
                        
                            | Remarks | Comments regarding this AD should be referred to the Safety Information Section, Certification Directorate, EASA; E-mail:
                                ADs [at] easa.europa [dot] eu
 |