What was found
SSI 53-10-027-0392 LEVEL 2 CORROSION CORROSION AT FWD PASSENGER FLOOR STRUCTURE WET AREAS RH SEAT TRACK FROM FR 16 TO FR 18 Y = +273. (LVL 2 CORROSION) (MAJOR REPAIR) BLENDED CORROSION AT FWD PASSENGER FLOOR STRUCTURE WET AREAS RH TRACK FROM FR 16 TO FR 18 Y = +273 PER EMB 175 SRM 51-10-03, FOUND AREA DEPTH TO MEASURE .120" ORIGINAL MATERIAL THICKNESS IS .295" REMAINING MATERIAL IS .175? MAXIMUM ALLOWED IS .007? AND IS OUT OF LIMITS PER EMB 175 SRM 53-10-10/AD01. LOCATED, DRILLED, DEBURRED AND COUNTERSUNK R/H FWD SEAT TRACK FROM FR 16 TO FR 18 Y+273" IAW EMB 175 SRM 51-40-02 AND EMB 175 SRM 51-40-04. P/N170-03263-001. APPLIED TOPCOAT PER: EMB 175 SRM 51-23-06 AND ETN-EJ-51-003. APPLIED CIC PER: EMB 175 CPM PART1-51-25-00-910-001-A. REMOVED AND REPLACED FWD PASSENGER FLOOR STUCTURE RH SEAT TRACK FR12 - FR20 @Y=+273 IAW E175-SRM 51-40-08. (LEVEL 2 CORROSION) (MAJOR REPAIR)