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                                  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


       Date of report (Date of earliest event reported) December 20, 2017


             FIRST TRUST SENIOR FLOATING RATE 2022 TARGET TERM FUND
             (Exact Name of Registrant as Specified in its Charter)



       Massachusetts                   811-23199                 30-0956123
(State or Other Jurisdiction    (Commission File Number)        (IRS Employer
     of Incorporation)                                       Identification No.)


   120 East Liberty Drive, Suite 400
           Wheaton, Illinois                                        60187
(Address of Principal Executive Offices)                          (Zip Code)


      Registrant's telephone number, including area code   (630) 765-8000


       ___________________________________________________________________
         (Former Name or Former Address, if Changed Since Last Report.)



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 (see General Instruction A.2. below):


|_|   Written communications pursuant to Rule 425 under the Securities Act
      (17 CFR 230.425)

|_|   Soliciting material pursuant to Rule 14a-12 under the Exchange Act
      (17 CFR 240.14a-12)

|_|   Pre-commencement communications pursuant to Rule 14d-2(b) under the
      Exchange Act (17 CFR 240.14d-2(b))

|_|   Pre-commencement communications pursuant to Rule 13e-4(c) under the
      Exchange Act (17 CFR 240.13e-4(c))


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Item 7.01    Regulation FD Disclosure.


First Trust Senior Floating Rate 2022 Target Term Fund (the "Fund") is filing
herewith a press release issued on December 20, 2017, as Exhibit 99.1. The press
release was issued by First Trust Advisors L.P. to report that its Leveraged
Finance Investment Team, portfolio manager of the Fund, will release an update
on the market and the Fund on December 22, 2017. Details regarding access to the
update are contained in the press release included herein.



Item 9.01    Financial Statements and Exhibits.


      (d)    Exhibits

        Exhibit
        Number        Description

           99.1       Press release of First Trust Advisors L.P. dated
                      December 20, 2017.




                                   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.

Dated: December 20, 2017         FIRST TRUST SENIOR FLOATING RATE 2022 TARGET
                                 TERM FUND

                                 By:    /s/ W. Scott Jardine
                                        ----------------------------------
                                 Name:   W. Scott Jardine
                                 Title:  Secretary





                                  EXHIBIT INDEX

        Exhibit
        Number        Description

           99.1       Press release of First Trust Advisors L.P. dated
                      December 20, 2017.