
<PAGE>

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                       Securities and Exchange Commission
                             Washington, D.C. 20549
                                 
                                   ----------
   
                                Amendment No. 1
                                       to
                                 Schedule 14D-1
                             Tender Offer Statement
                          Pursuant to Section 14(d)(1)
                     of the Securities Exchange Act of 1934
    

                                   ----------

                               Amdura Corporation
                           (Name of Subject Company)

                                   ----------

                              ADU Acquisition Inc.
                                      and
                                    FKI plc
                                    (Bidder)

                                   ----------

                          Common Stock, $.01 Par Value
                         (Title of Class of Securities)

                                   ----------

                                   23426-70-3
                     (CUSIP Number of Class of Securities)

                                   ----------
   
                                 April 4, 1995
    
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                                                                    Page 2 of 3
    
ITEM 11.  MATERIAL TO BE FILED AS EXHIBITS.
   
     (a)(1)  Form of Offer to Purchase dated March 22, 1995 (changed page only).
    
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                                                                    Page 3 of 3
    
                                   SIGNATURES

         After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


                                  FKI plc

                                  By: /s/ Steven D. Jones
                                      ----------------------------
                                      Name:    Steven D. Jones
                                      Title:   Director of Corporate
                                               Planning

                                  ADU ACQUISITION INC.

                                  By: /s/ Robert M. Miller
                                      ------------------------------
                                      Name:     Robert M. Miller
                                      Title:    Vice President
   
April 4, 1995
    
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                                 EXHIBIT INDEX

<TABLE>
<CAPTION> 
                                                                                                       PAGE IN
                                                                                                      SEQUENTIAL
EXHIBIT                                                                                                NUMBERING
  NO.                                                                                                   SYSTEM
- -------                                                                                               ----------
   
<S>                                                                                                    <C>
(a)(1)      Form of Offer to Purchase dated March 22, 1995 (changed page only)......................
    

</TABLE>
