Common use of ALTERATIONS AND MODIFICATIONS Clause in Contracts

ALTERATIONS AND MODIFICATIONS. Lessee shall construct and maintain a detailed and accurate summary list complete with dates, references to pertinent documentation, affected assembly or part numbers, method of acceptance of all alterations, both major and minor, performed upon the Aircraft during the Term. All technical and engineering data, calculations and drawings covering those alterations that remain incorporated, in whole or in part, on the Aircraft at the end of the Term shall become a permanent part of Aircraft Records and shall be delivered to Lessor at redelivery of the Aircraft.