---------------------------------------------------------------------
                           IBM ECA
              Engineering Change Announcement

Parts removed from this machine and returned to IBM must be genuine,
                      unaltered IBM Parts

         IBM World Trade Corporation, CE Department Germany
---------------------------------------------------------------------
 EC NUMBER         :  EC341786     DATE             : 88-12-08
 MANDATORY         :  N
 AUTOMATIC SHIPMENT:  N            SERVICE CODE     : 33
 PARTS SOURCE      :  FUJI         AVAILABILITY DATE: 88/11

 ABSTRACT:  EC 341786  FBM23F3353
                                                                                
 PURPOSE:                                                                       
 THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY                                  
 TO SOLVE POOR CONTACT PROBLEM ON SPEAKER ASSEMBLY P/N94X0887                   
                                                                                

 Type            Machines Affected                              
 Mod. With       and/or Feature/Device     B/M to be  Serv Syst 
 Stg. B/M        Description               Installed  Hour Hour 

 Plant 97                                                       

 5571                                                           
 S0A  B/MBASIC   ALL MACHINES              B/M23F3353 00.5 00.5 
 T0A  B/MBASIC   PRIOR TO 9711997          B/M23F3353 00.5 00.5 
 T0B  B/MBASIC   PRIOR TO 9732286          B/M23F3353 00.5 00.5 

                                                                                
 PHYSICAL CHECK: NONE                                                           
                                                                                
 PREREQUISITES: NONE                                                            
                                                                                
 COMPANION: NONE                                                                
                                                                                
 CONCURRENT: NONE                                                               

 DETAIL:  INSTALL FBM 23F3353
                                                                                
 NOTES: NONE                                                                    
---------------------------------------------------------------------