What was found
(UT) THICKNESS MEASUREMENT WAS ACCOMPLISHED ON SEAT TRACK REWORKED AREA AT THE CROWN RBL 25 BTW STA.365 TO STA. 418 THEREFORE IS OUT OF LIMITS PER B757-200 SRM 53-00-52-1A ALLOWABLE DAMAGE 1 FIG.101 DETAIL I. AND B757 NDT MANUAL PART.4. 51-00-10 PROCEDURE 2. SUMMARY OF NRC 00566-CORROSION LEVEL 2- SEAT TRACK CROWN AND SEAT TRACK SUPPORT ON RBL. 25, BETWEEN STA.365 TO STA.418 WERE REPLACED PER B757-200 SRM 51-40-02-0G PAR.4.B, PAR.7.D AND PAR.9. (1235670)