Effect of Multiple-Site-Damage on Certified Lead Crack Residual Strength

摘要

1. ALOHA 737 ACCIDENT APRIL 1988, HAWAII. 2. CONSIDERABLE ANUFACTURERS/OPERATORS/AUTHORITIES REACTION. 3. INDUSTRY COMMITTEE ACTIONS. 1) AIRWORTHINESS ASSURANCE TASK FORCE, AATF (AAWG); 2) AVIATION REGULATORY ADVISORY COMMITTEE, ARAC; 3) WIDESPREAD FATIGUE DAMAGE COMMITTEE (CHAIRED HANS SCHMIDT); 4) STRUCTURAL AUDIT EVALUATION TASK GROUP, SAETG (CHAIRED AMOS HOGGARD). 4. ACTIVITY INITIATED REVIEW OF ALL SAFETY RELATED SERVICE BULLETINS 5. FAA INITIATIVES. 1) ORGANIZED AGING AIRCRAFT CONFERENCES; 2) INITIATED AGING AIRCRAFT RESEARCH PROGRAM; 3) CREATED FAA CENTERS OF EXCELLENCE EXAMPLES -COMPUTATIONAL MECHANICS NON DESTRUCTIVE EVALUATION; 4) INITIATED RULE CHANGES EXAMPLES -FULL SCALE FATIGUE TESTING THRESHOLD INSPECTION.