263
Federal Aviation Administration, DOT
§ 121.1113
and (c)(2) of this section, and any later
revisions to these changes, must be
submitted to the Principal Mainte-
nance Inspector for review and ap-
proval.
[Doc. No. FAA–1999–5401, 70 FR 5532, Feb. 2,
2005. Redesignated by Amdt. 121–336, 72 FR
63412, Nov. 8, 2007; Amdt. 121–337, 72 FR 70508,
Dec. 12, 2007; Docket FAA–2018–0119, Amdt.
121–380, 83 FR 9173, Mar. 5, 2018]
§ 121.1111 Electrical wiring inter-
connection systems (EWIS) mainte-
nance 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 pas-
senger capacity of 30 or more, or
(2) A maximum payload capacity of
7500 pounds or more.
(b) After March 10, 2011, no certifi-
cate holder may operate an airplane
identified in paragraph (a) of this sec-
tion 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 Air-
worthiness (ICA) that have been devel-
oped in accordance with the provisions
of Appendix H of part 25 of this chapter
applicable to each affected airplane (in-
cluding those ICA developed for supple-
mental type certificates installed on
each airplane) and that have been ap-
proved by the responsible Aircraft Cer-
tification Service office.
(1) For airplanes subject to § 26.11 of
this chapter, the EWIS ICA must com-
ply with paragraphs H25.5(a)(1) and (b).
(2) For airplanes subject to § 25.1729 of
this chapter, the EWIS ICA must com-
ply with paragraph H25.4 and all of
paragraph H25.5.
(d) After March 10, 2011, before re-
turning an airplane to service after any
alterations for which EWIS ICA are de-
veloped, the certificate holder must in-
clude 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
[Amdt. 121–336, 72 FR 63411, Nov. 8, 2007, as
amended by Docket FAA–2018–0119, Amdt.
121–380, 83 FR 9173, Mar. 5, 2018]
§ 121.1113 Fuel tank system mainte-
nance program.
(a) Except as provided in paragraph
(g) 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 pas-
senger capacity of 30 or more, or
(2) A maximum payload capacity of
7500 pounds or more.
(b) For each airplane on which an
auxiliary fuel tank is installed under a
field approval, before June 16, 2008, the
certificate holder must submit to the
responsible Aircraft Certification Serv-
ice office proposed maintenance in-
structions for the tank that meet the
requirements of Special Federal Avia-
tion Regulation No. 88 (SFAR 88) of
this chapter.
(c) After December 16, 2008, no certifi-
cate holder may operate an airplane
identified in paragraph (a) of this sec-
tion unless the maintenance program
for that airplane has been revised to in-
clude applicable inspections, proce-
dures, and limitations for fuel tanks
systems.