The final rule, “Damage Tolerance and Fatigue Evaluation of Composite Rotorcraft Structures,” published in theFederal Register(76 FR 74655) on December 1, 2011. In that rule, the FAA amended its regulations to require evaluation of fatigue and residual static strength of composite rotorcraft structures using a damage tolerance evaluation, or a fatigue evaluation if the applicant establishes that a damage tolerance evaluation is impractical.
In a correction document (77 FR 4890), published February 1, 2012, the FAA revised theDATESsection of the final rule, noting that affected parties were not required to comply with the new information collection requirements in §§ 27.573 and 29.573 until OMB approved the FAA's request to collect the information. Sections 27.573 and 29.573 include new provisions requiring an applicant to submit damage tolerance and fatigue evaluation information for principal composite structural elements or components, detail design points, and fabrication techniques. OMB approval for the information collection requirement was pending at the time of §§ 27.573 and 29.573 publication.
Under the Paperwork Reduction Act, the FAA submitted the new information collection requirements for OMB review. OMB approved the collection on June 28, 2012, and assigned the information collection OMB Control Number 2120-0753, which expires on December 31, 2012.
This publication informs affected parties of the approval and announces that as of June 28, 2012, affected parties are required to comply with the new information collection requirements in §§ 27.573 and 29.573.
Issued in Washington, DC, on August 13, 2012.
Acting Director, Office of Rulemaking.