Sec. 91.403 - General.
(a) The owner or operator of an aircraft is primarily responsible for
maintaining that aircraft in an airworthy condition, including compliance
with part 39 of this chapter.
(b) No person may perform maintenance, preventive maintenance, or
alterations on an aircraft other than as prescribed in this subpart and
other applicable regulations, including part 43 of this chapter.
(c) No person may operate an aircraft for which a manufacturer's
maintenance manual or instructions for continued airworthiness has been
issued that contains an airworthiness limitations section unless the
mandatory replacement times, inspection intervals, and related procedures
specified in that section or alternative inspection intervals and related
procedures set forth in an operations specification approved by the
Administrator under part 121 or 135 of this chapter or in accordance with
an inspection program approved under §91.409(e) have been complied with.
[Doc. No. 18334, 54 FR 34311, Aug. 18, 1989, as amended by Amdt.
91-267, 66 FR 21066, Apr. 27, 2001]