2014-NM-180-AD McDonnell Douglas Model DC‑8‑11, DC‑8‑12, DC‑8‑21, DC‑8‑31, DC‑8‑32, DC‑8‑33, DC‑8‑41, DC‑8‑42, and DC‑8‑43 airplanes; Model DC‑8‑50 series airplanes; Model DC‑8F‑54 and DC‑8F‑55 airplanes; Model DC-8-60 series airplanes; Model DC‑8‑60F series airplanes; Model DC-8-70 series airplanes; and Model DC‑8‑70F series airplanes