NMWR-9-2815-220 Overhaul Manual for M60 M88 Engine AVDS-1790-2CA, AVDS-1790-2DA, AVDS-1790-2DR Download
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NMWR 9-2815-220 QUALITY ASSURANCE/QUALITY CONTROL (QA/QC) REQUIREMENTS—Continued 0048 00 FIRST ARTICLE INSPECTION/COMPARISON TEST - Continued 2. Critical Item Testing. Critical item testing shall be conducted on items selected from production or storage stock or from overhauled or reused parts, as applicable, by TACOM Quality Operations Division, Quality Analysis Liaison Operations (key inspection). a. Critical items will be selected at random from the first production lot of overhauled or reused parts in storage stock by TACOM inspection element. b. The items submitted for critical item testing will be in addition to the quantity required on overhaul programs. Samples not destroyed in testing will be turned in as excess property in accordance with existing regulations. c. Material shall have been accepted by the NMM quality assurance activity before shipment for test. d. A DD Form 1222 shall accompany each item submitted. e. Current part numbers will be submitted. f. Packaging for shipment of items will be in accordance with commercial practice acceptable to common carrier. g. Overhauled or reused items will be tested to 100 percent performance requirement and 80 percent durability requirements; i.e., an item having a 1000-hour endurance requirement when new would have an 800-hour requirement when overhauled. Storage stock items will be tested to 100 percent performance requirements and 100 percent durability requirements. h. Tests will be performed on storage stock overhauled or reused critical items in accordance with specifications and drawings applicable to the item. Failure of any item(s) to comply with applicable requirements shall be cause for rejection. Acceptance of subsequent overhauled units shall be withheld until objective evidence has been submitted to the NMM quality assurance activity that the defect(s) causing the rejection have been eliminated. IN-PROCESS INSPECTION 1. General Component Inspection. a. Determine that the product does or does not conform to the established standard. Reject nonconforming material and record number and type deficiencies found. Record acceptance on process record or on item itself, as applicable, and maintain appropriate quality control charts. b. Investigate the cause(s) of critical and major defects, and when such defects are noted, ensure the entire lot is screened and corrective action implemented. 0048 00-4 Change 1