What was found
(A3NB-53-3-6222) DOT 42-042 MAIN CABIN FLOOR SUPPORT BEAM HAVE C ORROSION Y1292 FR68 REMOVED CORROSION ON FLOOR SEAM Y1292 FR 68 I.A.W SRM 51-74- 0,FOUND OUT OF LIMIT. DEEP=0.050"'' L=2.3"; W=2.0". TR 91552, IAW SRM 53-00-14-283-002, FIG 001, SHEET 01. REMOVED AND REPLACED F LOOR BEAM Y1292 FROM FR68-FR69 IAW SRM 51-42-11. MAINTENANCE ACC OMPLISHED BY V933818 AT ST AEROSPACE BFM ON W/C# 6001650334