14 C.F.R. § 145.221 Service difficulty reports.
Title 14 - Aeronautics and Space
(a) A certificated repair station must report to the FAA within 96 hours after it discovers any serious failure, malfunction, or defect of an article. The report must be in a format acceptable to the FAA. (b) The report required under paragraph (a) of this section must include as much of the following information as is available: (1) Aircraft registration number; (2) Type, make, and model of the article; (3) Date of the discovery of the failure, malfunction, or defect; (4) Nature of the failure, malfunction, or defect; (5) Time since last overhaul, if applicable; (6) Apparent cause of the failure, malfunction, or defect; and (7) Other pertinent information that is necessary for more complete identification, determination of seriousness, or corrective action. (c) The holder of a repair station certificate that is also the holder of a part 121, 125, or 135 certificate; type certificate (including a supplemental type certificate); parts manufacturer approval; or technical standard order authorization, or that is the licensee of a type certificate holder, does not need to report a failure, malfunction, or defect under this section if the failure, malfunction, or defect has been reported under parts 21, 121, 125, or 135 of this chapter. (d) A certificated repair station may submit a service difficulty report for the following: (1) A part 121 certificate holder, provided the report meets the requirements of part 121 of this chapter, as appropriate. (2) A part 125 certificate holder, provided the report meets the requirements of part 125 of this chapter, as appropriate. (3) A part 135 certificate holder, provided the report meets the requirements of part 135 of the chapter, as appropriate. (e) A certificated repair station authorized to report a failure, malfunction, or defect under paragraph (d) of this section must not report the same failure, malfunction, or defect under paragraph (a) of this section. A copy of the report submitted under paragraph (d) of this section must be forwarded to the certificate holder. [Doc. No. FAA–1999–5836, 66 FR 41117, Aug. 6, 2001, as amended by Amdt. 22, 68 FR 75382, Dec. 30, 2003; Amdt. 145–26, 70 FR 76979, Dec. 29, 2005]
Title 14: Aeronautics and Space
PART 145—REPAIR STATIONS
Subpart E—Operating Rules
§ 145.221 Service difficulty reports.

