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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. 1 )*
DYNATECH CORPORATION
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(Name of Issuer)
Common Stock
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(Title of Class of Securities)
268138104
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(CUSIP Number)
Check the following box if a fee is being paid with the statement / /. (A fee
is not required only if the filing person: (1) has a previous statement on file
reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such
class.)(See Rule 13d-7).
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities,
and for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).
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CUSIP NO. 268138104 13G PAGE 2 OF 4 PAGES
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1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
First Chicago NBD Corporation 38-1984850*
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / /
(b) /X/
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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5 SOLE VOTING POWER
515,150
NUMBER OF ---------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY -0-
EACH ---------------------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH 486,150
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8 SHARED DISPOSITIVE POWER
-0-
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9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
524,650
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10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
3.4
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12 TYPE OF REPORTING PERSON*
*Unless otherwise disclosed herein, all holdings of the Reporting Person are
indirect through one or more subsidiaries.
HC CO
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sec 1745 (6-80) SEE INSTRUCTIONS BEFORE FILLING OUT!
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SEC 13G PAGE 3 OF 4 PAGES
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SECURITIES AND EXCHANGE COMMISSION
SCHEDULE 13G Amendment No.1
ITEM 1(a) NAME OF ISSUER:
Dynatech Corporation
ITEM 1(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
3 New England Executive Park
Burlington, MA 01801
ITEM 2(a) NAME OF PERSON FILING:
First Chicago NBD Corporation. ("FCN")
ITEM 2(b) ADDRESS OF PRINCIPAL BUSINESS OFFICES:
One First National Plaza
Chicago, Illinois 60670
ITEM 2(c) CITIZENSHIP
Delaware
ITEM 2(d) TITLE OF CLASS OF SECURITIES:
Common Stock
ITEM 2(e) CUSIP NO.:
268138104
ITEM 3 TYPE OF PERSON FILING:
(g) FCN is a Parent Holding Company in accordance with
240.13d-1(b)(ii)(g).
ITEM 4 OWNERSHIP:
The shares listed below were held in a fiduciary capacity by one
or more subsidiariesof First Chicago NBD Corporation as of
December 31, 1996
A.) Amount Beneficially owned: 524,650
B.) Percent of Class: 3.4
C.) Number of shares to which the subject Holding Company has
directly or through its subsidiaries:
1.) Sole power to vote or direct the vote: 515,150
2.) Shared power to vote or to direct the vote: -0-
3.) Sole power to dispose or to direct the disposition of:
486,150
4.) Shares power to dispose or to direct the disposition
of: -0-
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PAGE 4 OF 4 PAGES
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ITEM 5 OWNERSHIP OF 5 PERCENT OR LESS OF A CLASS:
If this statement is being filed to report the fact that as of the
date hereof the Reporting Person has ceased to be the beneficial
owner of more than 5 percent of securities, check the
following [X].
ITEM 6 OWNERSHIP OF MORE THAN 5 PERCENT ON BEHALF OF ANOTHER PERSON:
Not Applicable
ITEM 7 IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
THE SECURITY
being Reported on By the Parent Holding Company: See Item 3
ITEM 8 IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:
Not Applicable
ITEM 9 NOTICE OF DISSOLUTION OF GROUP: NOT APPLICABLE
ITEM 10 CERTIFICATION: By signing below I certify that to the best of my
knowledge and belief, the securities referred above were
acquired in the ordinary course of business and were not acquired
for the purpose of and do not have the effect of changing or
influencing the control of the issuer of such securities and
were not acquired in connection with or as a participant in any
transaction having such purpose or effect.
Signature: 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.
Dated: February 04, 1997
/s/ Daniel T. Lis
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Daniel T. Lis
Assistant Secretary
First Chicago NBD Corporation
(313) 225-3154
