What was found
CORROSION ON FWD WET AREA LH SEAT TRACK AT FR 19-20 Y-11" (LEVEL 2 CORROSION) BLENDED CORROSION FROM LH SEAT TRACK AT FR 19-20. PN 170-03264-001 PER EMB 175 SRM 20-67-00. NO LIMITS WERE FOUND FOR BLENDED AREA. ORDERED REPLACEMENT PART NUMBER 170-03264-001. LOCATED, DRILLED, COUNTERSUNK, AND DEBURRED FASTENER HOLES ON NEW LH SEAT TRACK IAW EMB 175 SRM 51-40-02 AND 51-40-04. RESTORED FINISH TO NEW LH SEAT TRACK PN 17003264-001 IAW SRM 51-23-05 AND 51-23-06, ETN EJ-51-015 AND CPM 51-25-00. REPLACED LH SEAT TRACK AT FR 19-20 Y-11" IAW EMB 175 SRM 51-40-08.