Airworthiness Directive · Amendment 39-8875 · The Boeing Company Airplanes
The Boeing Company Airplanes
This AD applies to The Boeing Company DC-9-11, DC-9-12, DC-9-13, DC-9-14, DC-9-15, DC-9-15F, DC-9-21, DC-9-31, DC-9-32, DC-9-32 (VC-9C), DC-9-32F, DC-9-32F (C-9A), DC-9-32F (C-9B), DC-9-33F, DC-9-34, DC-9-34F, DC-9-41, DC-9-51, DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), MD-88.
The models as the FAA's AD index lists them. The serial ranges, installed parts and exceptions are in the AD itself: read it at the FAA.
This amendment supersedes an existing airworthiness directive (AD), applicable to certain McDonnell Douglas Model DC-9 and Model DC-9-80 series airplanes, and C-9 (military) airplanes, that currently requires inspections to detect cracking in the skin and doublers around the upper anticollision light cutout, and repair, if necessary. This amendment expands the applicability to include additional Model DC-9-80 series airplanes and Model MD-88 airplanes, and requires the performance of stress coining procedures on the plate nut clearance holes or installation of shims and an external doubler. This amendment is prompted by a report that stress coining procedures were not performed on the plate nut clearance holes of the upper anticollision light doublers during production of certain airplanes. The actions specified by this AD are intended to prevent crack growth in the doublers, which could result in damage to the adjacent structure, and subsequent loss of cabin structural integrity.
