UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

July 20, 2011

Date of Report (Date of earliest event reported)

ESTERLINE TECHNOLOGIES CORPORATION

(Exact Name of Registrant as Specified in Charter)

(425) 453-9400

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Item 1.01 Entry into a Material Definitive Agreement.

On July 20, 2011 Esterline Technologies Corporation (“Esterline”) entered into a Third Amendment to Credit Agreement with certain of its subsidiaries, Wells Fargo Bank, National Association, as Administrative Agent (“Administrative Agent”), and the lenders party thereto (“Lenders”) (the “Third Amendment”). The Third Amendment, among other things, amended the Credit Agreement dated as of March 11, 2011 among Esterline, certain of its subsidiaries, Administrative Agent and certain lenders (the “Credit Agreement”), which originally provided debt financing to Esterline in the form of a revolving loan facility in an aggregate amount at any one time outstanding not to exceed $460,000,000 (including a letter of credit subfacility not to exceed $100,000,000 and swingline subfacility not to exceed $15,000,000) (the “Revolving Credit Facility”). The Third Amendment provides, in addition to the Revolving Credit Facility, a new €125,000,000 term loan (the “Euro Term Loan Facility”) to Esterline Technologies Europe Limited, an indirect subsidiary of Esterline organized under the laws of England and Wales (“ETEL”). ETEL will also be permitted to access the Revolving Credit Facility in an amount not to exceed $75,000,000 in United States dollars, Canadian dollars, euros or pounds sterling. The proceeds of the Euro Term Loan Facility will be used in connection with Esterline’s purchase of the Souriau Group.

The terms of the Revolving Credit Facility remained substantially the same as in the Credit Agreement prior to giving effect to the Third Amendment. The final maturity date for both the Euro Term Loan Facility and the Revolving Credit Facility is July 20, 2016. The Euro Term Loan Facility and borrowings by ETEL under the Revolving Credit Facility are guaranteed by Esterline, the existing guarantors under the Credit Agreement and certain other subsidiaries of Esterline organized under the laws of England and Wales.

ETEL’s obligations under the Euro Term Loan Facility are secured by substantially all of the collateral pledged under the Revolving Credit Facility and substantially all personal property of each of the subsidiaries party to the Credit Agreement, as amended by the Third Amendment, as “U.K. Guarantors” thereunder.

The foregoing description of the Euro Term Loan Facility and Revolving Credit Facility is qualified in its entirety by reference to the Third Amendment, a copy of which is filed as Exhibit 10.1 to this Report, and by reference to the Credit Agreement, which is incorporated herein by reference.

Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.

The information set forth in Item 1.01 is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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EXHIBIT INDEX

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