Federal Aviation Administration, DOT

Section 135.427

this section. For purposes of this section - 
(1) A maintenance provider is any person who performs maintenance, preventive maintenance, or an alteration for
a certificate holder other than a person
who is trained by and employed directly by that certificate holder.
(2) Covered work means any of the following:
(i) Essential maintenance that could
result in a failure, malfunction, or defect endangering the safe operation of
an aircraft if not performed properly or
if improper parts or materials are used;
(ii) Regularly scheduled maintenance; or
(iii) A required inspection item on an
aircraft.
(3) Directly in charge means having responsibility for covered work performed by a maintenance provider. A
representative of the certificate holder
directly in charge of covered work does
not need to physically observe and direct each maintenance provider constantly, but must be available for consultation on matters requiring instruction or decision.
(b) Each certificate holder must be
directly in charge of all covered work
done for it by a maintenance provider.
(c) Each maintenance provider must
perform all covered work in accordance
with the certificate holder-s maintenance manual.
(d) No maintenance provider may
perform covered work unless that work
is carried out under the supervision
and control of the certificate holder.
(e) Each certificate holder who contracts for maintenance, preventive
maintenance, or alterations must develop and implement policies, procedures, methods, and instructions for
the accomplishment of all contracted
maintenance, preventive maintenance,
and alterations. These policies, procedures, methods, and instructions must
provide for the maintenance, preventive maintenance, and alterations to be
performed in accordance with the certificate holder-s maintenance program
and maintenance manual.
(f) Each certificate holder who contracts for maintenance, preventive
maintenance, or alterations must ensure that its system for the continuing
analysis and surveillance of the main-

tenance, preventive maintenance, and
alterations carried out by a maintenance
provider,
as
required
by
Section 135.431(a), contains procedures for
oversight of all contracted covered
work.
(g) The policies, procedures, methods,
and instructions required by paragraphs (e) and (f) of this section must
be acceptable to the FAA and included
in the certificate holder-s maintenance
manual, as required by Section 135.427(b)(10).
(h) Each certificate holder who contracts for maintenance, preventive
maintenance, or alterations must provide to its responsible Flight Standards
office, in a format acceptable to the
FAA, a list that includes the name and
physical (street) address, or addresses,
where the work is carried out for each
maintenance provider that performs
work for the certificate holder, and a
description of the type of maintenance,
preventive maintenance, or alteration
that is to be performed at each location. The list must be updated with
any changes, including additions or deletions, and the updated list provided
to the FAA in a format acceptable to
the FAA by the last day of each calendar month.
[Docket FAA-2011-1136, Amdt. 135-132, 80 FR
11547, Mar. 4, 2015, as amended by Docket
FAA-2018-0119, Amdt. 135-139, 83 FR 9175,
Mar. 5, 2018]

Section 135.427 Manual requirements.
(a) Each certificate holder shall put
in its manual the chart or description
of the certificate holder-s organization
required by Section 135.423 and a list of persons with whom it has arranged for the
performance of any of its required inspections, other maintenance, preventive maintenance, or alterations, including a general description of that
work.
(b) Each certificate holder shall put
in its manual the programs required by
Section 135.425 that must be followed in performing
maintenance,
preventive
maintenance, and alterations of that
certificate holder-s aircraft, including
airframes, aircraft engines, propellers,
rotors, appliances, emergency equipment, and parts, and must include at
least the following:
(1) The method of performing routine
and nonroutine maintenance (other

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