What was found
THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH THE ON CONDITION REPLACEMENT OF A DAMAGED OR PREVIOUSLY REPAIRED RH FLOOR BEAM P/N 170-65669-004 (Y = +260) BETWEEN FRAMES 86 AND 89. THE DAMAGED STRUCTURE WILL BE REPLACED BY USING EMBRAER PRODUCTION DRAWINGS. BECAUSE THE TRACK IS A PSE, ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED AS A MAJOR REPAIR. REV. 1 IS BEING ISSUED TO CORRECT DRAWING NUMBER DISCREPANCIES IN TABLE 2. REV. 2 ADDS AIRCRAFT S/N 17000218 THRU 17000224 TO THE EFFECTIVITY. REV. 3 ADDS AIRCRAFT S/N 17000225 THRU 17000234 TO THE EFFECTIVITY. REV. 4 ADDS AIRCRAFT S/N 17000235 THRU 17000264 TO THE EFFECTIVITY. REV. 5 IS BEING ISSUED TO CORRECT Y LOCATION LISTED IN THE REASON. W.O.#2501964480