FAR
91.417 Maintenance records
(a) Except for work performed in
accordance with
§§ 91.411 and
91.413, each registered owner
or operator shall keep the following records for the periods
specified in paragraph (b) of this section:
(1) Records of the maintenance,
preventive maintenance, and alteration and records of the
100-hour, annual, progressive, and other required or approved
inspections, as appropriate, for each aircraft (including the
airframe) and each engine, propeller, rotor, and appliance of an
aircraft. The records must include --
(i) A description (or reference to
data acceptable to the Administrator) of the work performed; and
(ii) The date of completion of the
work performed; and
(iii) The signature, and certificate
number of the person approving the aircraft for return to
service.
(2) Records containing the following
information:
(i) The total time in service of the
airframe, each engine, each propeller, and each rotor.
(ii) The current status of
life-limited parts of each airframe, engine, propeller, rotor,
and appliance.
(iii) The time since last overhaul
of all items installed on the aircraft which are required to be
overhauled on a specified time basis.
(iv) The current inspection status
of the aircraft, including the time since the last inspection
required by the inspection program under which the aircraft and
its appliances are maintained.
(v) The current status of applicable
airworthiness directives (AD) including, for each, the method of
compliance, the AD number, and revision date. If the AD involves
recurring action, the time and date when the next action is
required.
(vi) Copies of the forms prescribed
by
§43.9(a) of this chapter for
each major alteration to the airframe and currently installed
engines, rotors, propellers, and appliances.
(b) The owner or operator shall
retain the following records for the periods prescribed:
(1) The records specified in
paragraph (a)(1) of this section shall be retained until the
work is repeated or superseded by other work or for 1 year after
the work is performed.
(2) The records specified in
paragraph (a)(2) of this section shall be retained and
transferred with the aircraft at the time the aircraft is sold.
(3) A list of defects furnished to a
registered owner or operator under
§43.11 of this chapter shall be
retained until the defects are repaired and the aircraft is
approved for return to service.
