Exhibit 10.13.4

                              AMENDMENT AGREEMENT


          This Amendment Agreement (this "Amendment") dated as of May 10, 1994,
between Rohr, Inc., a Delaware corporation ("Rohr"), State Street Bank and Trust
Company of California, National Association, a national banking association, and
W. Jeffrey Kramer, not in an individual capacity but solely as owner trustees
(State Street Bank and Trust Company of California and W. Jeffrey Kramer are
collectively referred to as the "Trustees"), and General Electric Capital
Corporation ("GE Capital").

                                  WITNESSETH:

          WHEREAS, Rohr is a party to a Sublease Agreement, dated as of
September 14, 1992, with the Trustees, as owner trustees under that certain
Trust Agreement for the benefit of GE Capital (such Sublease Agreement, as
amended to date, being hereinafter referred to as the "GE Capital Sublease");

          WHEREAS, Rohr has requested that a covenant in the GE Capital Sublease
be modified;

          NOW, THEREFORE, for and in consideration of the premises and other
good and valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the parties hereto agree as follows:

     1.   Amendment to GE Capital Sublease.  Section XVII (j) of the GE Capital
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          Sublease is amended in its entirety to read as follows:

          (j) The provisions of Sections 5.01(c), 5.01(d) and 5.02(a) of the
          Credit Agreement, dated as of April 26, 1989, among Sublessee, the
          Lenders parties thereto and Citicorp USA, Inc., as agent, (after
          giving effect to the Seventh Amendment thereto dated as of May 10,
          1994), together with all relevant definitions pertaining to such
          Sections, are incorporated herein by reference.

     2.  Effectiveness of Amendment.  This Amendment shall become effective upon
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         the sale by Rohr of at least $100 Million of senior notes and at least
         $50 Million of convertible subordinated notes.

     3.   Jury Trial Waiver  EACH OF THE PARTIES HERETO HEREBY UNCONDITIONALLY
          -----------------                                                   
          WAIVES THEIR RESPECTIVE RIGHT TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF
          ACTION BASED UPON OR ARISING OUT OF, DIRECTLY OR INDIRECTLY, THIS

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          AMENDMENT, ANY DEALINGS AMONG ANY OF THEM RELATING TO THE SUBJECT
          MATTER HEREOF, AND/OR THE RELATIONSHIP THAT IS BEING ESTABLISHED AMONG
          THEM.  THE SCOPE OF THIS WAIVER IS INTENDED TO BE ALL ENCOMPASSING OF
          ANY AND ALL DISPUTES THAT MAY BE FILED IN ANY COURT (INCLUDING,
          WITHOUT LIMITATION, CONTRACT CLAIMS, TORT CLAIMS, BREACH OF DUTY
          CLAIMS, AND ALL OTHER COMMON LAW AND STATUTORY CLAIMS).  THIS WAIVER
          IS IRREVOCABLE MEANING THAT IT MAY NOT BE MODIFIED EITHER ORALLY OR IN
          WRITING, AND THE WAIVER SHALL APPLY TO ANY SUBSEQUENT AMENDMENTS,
          RENEWALS, SUPPLEMENTS OR MODIFICATIONS TO THIS AMENDMENT.  IN THE
          EVENT OF LITIGATION, THIS AMENDMENT MAY BE FILED AS A WRITTEN CONSENT
          TO A TRIAL BY THE COURT.

     4.   Direction to Trustees  GE Capital hereby joins in this Amendment to
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          acknowledge its consent to the terms and provisions hereof and to
          direct the Trustees to enter into this Amendment and any other
          agreements, instruments and documents to be executed in connection
          herewith in their capacity as owner trustees.

     5.   Expenses  Rohr agrees to pay all reasonable costs and expenses of the
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          Trustees and GE Capital in connection with the preparation, execution,
          delivery and enforcement of this Amendment and any other agreements,
          instruments and documents executed in connection herewith.

     6.   Further Assurances  Each of the parties hereto agrees that at any time
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          it shall execute and deliver all further instruments and documents,
          and take all further action, in order to effectuate or otherwise
          document the transactions contemplated hereby or otherwise implement
          the intention of the parties under this Amendment, as any of the
          parties hereto and their successors and assigns reasonably may
          request.

     7.   Further Modifications  NO VARIATION OR MODIFICATION OF THIS AMENDMENT
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          OR ANY WAIVER OF ANY OF ITS PROVISIONS OR CONDITIONS, SHALL BE VALID
          UNLESS IN WRITING AND SIGNED BY AN AUTHORIZED REPRESENTATIVE OF EACH
          OF THE PARTIES HERETO.

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     8.   Multiple Counterparts  This Amendment may be executed in two or more
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          counterparts, each of which shall be deemed to be an original as
          against any party whose signature appears thereon, and all of which
          shall constitute one and the same instrument.

     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
executed by their duly authorized representatives as of the date first above
written.

Rohr, Inc.                               State Street Bank and Trust Company of
                                         California, National Association, not
                                         in its individual capacity but solely
By: /s/ R. M. Miller                     as Corporate Trustee
    --------------------------------
Name:  Ronald M. Miller
Title:    Vice President & Treasurer     By: /s/ W. Jeffrey Kramer
                                             ----------------------------------
                                         Name: W. Jeffrey Kramer
                                         Title:  Assistant Vice President


                                         /s/ W. Jeffrey Kramer
                                         --------------------------------------
                                         W. Jeffrey Kramer
                                         not in his individual capacity, but
                                         solely in his capacity as Individual
                                         Trustee 

                                         General Electric Capital Corporation
                                          
                                         By: /s/ Timothy R. Brewer
                                             ----------------------------------
                                         Name: Timothy R. Brewer
                                         Title: Manager - Field Operations

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