[Code of Federal Regulations]
[Title 14, Volume 2]
[Revised as of January 1, 2008]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR121.1111]

[Page 903]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION 
                               (CONTINUED)
 
PART 121_OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS--
 
       Subpart AA_Continued Airworthiness and Safety Improvements
 
Sec. 121.1111  Electrical wiring interconnection systems (EWIS) maintenance 

program.

    (a) Except as provided in paragraph (f) of this section, this 
section applies to transport category, turbine-powered airplanes with a 
type certificate issued after January 1, 1958, that, as a result of 
original type certification or later increase in capacity, have--
    (1) A maximum type-certificated passenger capacity of 30 or more, or
    (2) A maximum payload capacity of 7500 pounds or more.
    (b) After March 10, 2011, no certificate holder may operate an 
airplane identified in paragraph (a) of this section unless the 
maintenance program for that airplane includes inspections and 
procedures for electrical wiring interconnection systems (EWIS).
    (c) The proposed EWIS maintenance program changes must be based on 
EWIS Instructions for Continued Airworthiness (ICA) that have been 
developed in accordance with the provisions of Appendix H of part 25 of 
this chapter applicable to each affected airplane (including those ICA 
developed for supplemental type certificates installed on each airplane) 
and that have been approved by the FAA Oversight Office.
    (1) For airplanes subject to Sec. 26.11 of this chapter, the EWIS 
ICA must comply with paragraphs H25.5(a)(1) and (b).
    (2) For airplanes subject to Sec. 25.1729 of this chapter, the EWIS 
ICA must comply with paragraph H25.4 and all of paragraph H25.5.
    (d) After March 10, 2011, before returning an airplane to service 
after any alterations for which EWIS ICA are developed, the certificate 
holder must include in the airplane's maintenance program inspections 
and procedures for EWIS based on those ICA.
    (e) The EWIS maintenance program changes identified in paragraphs 
(c) and (d) of this section and any later EWIS revisions must be 
submitted to the Principal Inspector for review and approval.
    (f) This section does not apply to the following airplane models:

(1) Lockheed L-188
(2) Bombardier CL-44
(3) Mitsubishi YS-11
(4) British Aerospace BAC 1-11
(5) Concorde
(6) deHavilland D.H. 106 Comet 4C
(7) VFW-Vereinigte Flugtechnische Werk VFW-614
(8) Illyushin Aviation IL 96T
(9) Bristol Aircraft Britannia 305
(10) Handley Page Herald Type 300
(11) Avions Marcel Dassault--Breguet Aviation Mercure 100C
(12) Airbus Caravelle
(13) Lockheed L-300

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