AD 2020-15-14
Effective 09/03/2020 · Published 07/30/2020
Airworthiness Directives; The Boeing Company Airplanes
Summary
The FAA is superseding Airworthiness Directive (AD) 2015-13- 06, which applied to certain The Boeing Company Model 747-400 and 747- 400F series airplanes. AD 2015-13-06 required repetitive inspections of the longeron extension fittings for cracking; repetitive high frequency eddy current (HFEC) inspections of any modified, repaired, or replaced longeron extension fitting for cracking; and applicable on-condition act…