; and (2) developing and submitting to the Administrator recommendations for guidance or regulatory changes to— (A) clarify the obligations of design approval holders to develop and make ICA available; (B) create methods to identify and provide access to ICA; and (C) create mechanisms to accept complaints, resolve disputes, and enforce obligations. (b) Report to Congress Not later than 1 year after receiving the recommendations under subsection (a), the Administrator shall submit to the appropriate committees of Congress a report that describes such recommendations and the Administrator's plan, if any, to implement such recommendations. 334. Study on airworthiness standards compliance (a) Study The Administrator shall conduct a study on the safety consequences of a transport airplane design approved by a domestic or foreign aviation manufacturer failing to comply with the applicable airworthiness standards. The study shall identify— (1) each final airworthiness directive applicable to transport airplanes that was issued by the FAA in the 2-year period prior to the date of enactment of this section to address unsafe conditions resulting from the approval of designs that were non-compliant with an applicable airworthiness standard; and (2) for each such airworthiness directive— (A) the airworthiness standard with which the affected products failed to comply, as well as the resulting unsafe condition and whether such condition resulted in an accident; (B) the methods by which the noncompliance was discovered and brought to the attention of the FAA; (C) an analysis of whether the method used by the applicant to show compliance was acceptable and whether other compliance methods would have identified the noncompliance during the type certification process; (D) the date of approval of the relevant type design and the date of issuance of the airworthiness directive; (E) any corrective action mandated to address the identified unsafe condition