Federal Aviation Administration, DOT

Section 121.1117

Means (FIMM), if applicable, that is
approved by the responsible Aircraft
Certification Service office.
(3) Except in accordance with
Section 121.628, the FIMM, if applicable, is
operational.
(d) Retrofit. Except as provided in
paragraphs (j), (k), and (l) of this section, after the dates specified in paragraph (e) of this section, no certificate
holder may operate an airplane to
which this section applies unless the
requirements of paragraphs (d)(1) and
(d)(2) of this section are met.
(1) IMM, FRM or FIMM, if required
by SectionSection 26.33, 26.35, or 26.37 of this chapter,
that are approved by the responsible
Aircraft Certification Service office,
are installed within the compliance
times specified in paragraph (e) of this
section.
(2) Except in accordance with
Section 121.628, the IMM, FRM or FIMM, as
applicable, are operational.
(e) Compliance Times. Except as provided in paragraphs (k) and (l) of this
section, the installations required by
paragraph (d) of this section must be
accomplished no later than the applicable dates specified in paragraph
(e)(1), (e)(2), or (e)(3) of this section.
(1) Fifty percent of each certificate
holder-s fleet identified in paragraph
(d)(1) of this section must be modified
no later than December 26, 2014.
(2) One hundred percent of each certificate holder-s fleet identified in
paragraph (d)(1) of this section must be
modified no later than December 26,
2017.
(3) For those certificate holders that
have only one airplane of a model identified in Table 1 of this section, the airplane must be modified no later than
December 26, 2017.
(f) Compliance After Installation. Except in accordance with Section 121.628, no
certificate holder may - 
(1) Operate an airplane on which IMM
or FRM has been installed before the
dates specified in paragraph (e) of this
section unless the IMM or FRM is operational, or
(2) Deactivate or remove an IMM or
FRM once installed unless it is replaced by a means that complies with
paragraph (d) of this section.
(g) Maintenance Program Revisions. No
certificate holder may operate an air-

plane for which airworthiness limitations have been approved by the responsible Aircraft Certification Service
office in accordance with SectionSection 26.33, 26.35,
or 26.37 of this chapter after the airplane is modified in accordance with
paragraph (d) of this section unless the
maintenance program for that airplane
is revised to include those applicable
airworthiness limitations.
(h) After the maintenance program is
revised as required by paragraph (g) of
this section, before returning an airplane to service after any alteration
for which airworthiness limitations are
required by SectionSection 25.981, 26.33, or 26.37 of
this chapter, the certificate holder
must revise the maintenance program
for the airplane to include those airworthiness limitations.
(i)
The
maintenance
program
changes identified in paragraphs (g)
and (h) of this section must be submitted to the operator-s Principal
Maintenance Inspector responsible for
review and approval prior to incorporation.
(j) The requirements of paragraph (d)
of this section do not apply to airplanes operated in all-cargo service,
but those airplanes are subject to paragraph (f) of this section.
(k) The compliance dates specified in
paragraph (e) of this section may be extended by one year, provided that - 
(1) No later than March 26, 2009, the
certificate holder notifies its responsible Flight Standards office or Principal Inspector that it intends to comply with this paragraph;
(2) No later than June 24, 2009, the
certificate holder applies for an amendment to its operations specification in
accordance with Section 119.51 of this chapter
and revises the manual required by
Section 121.133 to include a requirement for
the airplane models specified in Table 2
of this section to use ground air conditioning systems for actual gate times
of more than 30 minutes, when available at the gate and operational, whenever the ambient temperature exceeds
60 degrees Fahrenheit; and
(3) Thereafter, the certificate holder
uses ground air conditioning systems
as described in paragraph (k)(2) of this
section on each airplane subject to the
extension.

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