What was found
C4 CHECK - CORROSION FOUND ON FRAME AT FS 310.00 BETWEEN STR 27 AND 26R. REMOVED FASTENERS FOM IAW SRM 51-42-06-001-001-A01. BLENDED CORROSION IAW SRM 51-21-06-001-001-A01. AREA WITHIN LIMITS IAW SRM 53-21-06-101-002-A01. PERFORMED ECI ON BLENDED AREA , NO CRACKS OR CORROSION FOUND AT THIS TIME IAW NDTM ECI 51-20-006-250-A01. TREATED AND PRIMED IAW CRJ700 51-21-11-001-001-A01 AND 51-25-06-001-001-A01. INSTALLED REQUIRED FASTENERS IAW SRM 51-42-06-001-001-A01. APPLIED TOPCOAT AND CORROSION PREVENTATIVE COMPOUND IAW SRM 51-25-16-001-001-A01 AND 51-21-11-001-001-A01.