adverse effect upon the airworthiness of that airplane. zdte7a- ca, irv.e# / Az.n/e/Azzr- rre 44.eziyi.ende44.cw,LW, c14-7724nale z.' -cfa zik,wea &,e.11,214:14,/iy, //it • Cat in e3 ik t9 ‘41:Araidirtiz&im,ilezirte:nc.:Ilran'er-n, October 21, 1991 January 15, 1992 !Lk peZtJa,i: iinei4w./i•