What was found
CORROSION ON BOTTOM OF SEAT TRACK FROM BODY STA 787 + 7 TO STA 787 + 12; RBL 44; WL 208 ; / [01] REMOVED CORROSION ON BOTTOM OF SEAT TRACK AT BS8787+7 TO 787+12 RBL45 WL208. 8.500'X0.90' MAX. DEPTH: 0.043' IAW SRM 53-00-52-1A-1 AND WAS FOUND OUT LIMITS. MEASUREMENT TOOL ID:ATS1737 S/N: UNKNOWN CAL. DATE 07/2021[03] INSTALLED EWIS AND FOD PROTECTION BS 727A-887 UNDER SEAT TRACK RBL 45 AS REQUIRED PER AMM 20-60-07; [04] REMOVED DAMAGED SEAT TRACK FROM BS 727B-887 RBL 45.5 IAW SRM CH 51-40-02; [05] SEAT TRACK FABRICATED IAW BOEING DWG 146A5350. REFER TO ATS WORK ORDER #W57955 & PO #778043. PART MARKED PER ATS QCM 4.35.26.; [06] LOCATED AND DRILLED SEAT TRACK AT BS 727B-887; RBL 44 ;WL 208 PER DWG 146A5300; [07] INSPECTED AND VERIFIED CORRECTIVE ACTION ITEMS 3 THRU 6. OKAY TO INSTALL SEAT TRACK.; [08] INSTALLED SEAT TRACK AT BS 727B-887; RBL 44; WL 208 IAW DWG 146A5300. TOOL USED ID#ATS1353 S/N 0614803529