43.103 Requirements for certifying release-to-service
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(a) A person must not certify an aircraft or component for release-to-
service after maintenance unless--
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(1) the maintenance has been performed in accordance with this
Part; and
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(2) the person meets the requirements of rule 43.101; and
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(3) in respect of that maintenance, the aircraft or component is fit
for release-to-service; and
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(4) if the aircraft has undergone maintenance that may have
appreciably affected the flight characteristics or operation of the
aircraft,--
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(i) a satisfactory operational flight check has been carried
out in accordance with rule 91.613 and the completion of
the flight check is recorded in the aircraft maintenance
logbook or worksheet, and the technical log; or
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(ii) ground tests, inspections, or both, show conclusively that
the maintenance has not appreciably changed the flight
characteristics or substantially affected the flight
operation of the aircraft and details of the ground tests
and inspections, as the case may be, have been recorded
in the aircraft maintenance logbook or worksheet; or
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(iii) the release-to-service is for the purpose of performing the
operational flight check required under paragraph
(a)(4)(i).
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(b) A person must not certify an aircraft or component for release-to-
service after the performance of a major modification or a major repair
unless--
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(1) the person meets the requirements of rule 43.101; and
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(2) the major modification or major repair has been certified for
conformity with acceptable technical data in accordance with
subpart E; and
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(3) in respect of that major modification or major repair, the aircraft
or component is fit for release-to-service; and
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(4) if the acceptable technical data under paragraph (b)(2) includes
changes to the operating limitations or flight data in the flight
manual, the changes have been incorporated into the flight
manual.
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(c) The person responsible for certifying an aircraft for release-to-service
under paragraph (a)(4)(iii) for the purpose of an operational flight check
must record in the aircraft maintenance logbook or worksheet, and the
technical log --
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(1) the following statement of release-to-service:
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In respect of the recorded work, the aircraft is released-to-
service for an operational flight check only; and
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(2) adjacent to the statement of release-to-service--
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(i) the person's name; and
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(ii) the person's signature except if the maintenance logbook
or worksheet is in electronic format; and
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(iii) the person's licence, approval, or authorisation number;
and
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(iv) the date of entry.