What was found
CORROSION ON STGR 24RH AND 23RH BTW FS280 TO FS295 AT MAIN AVIONICS COMPARTMENT. WERE EVALUATED, VISUAL INSPECTION OF STGR 23RH BTW FS280 TO FS295 AT MAIN AVIONICS COMPARTMENT WAS PERFORMED PER CRJ 900 NDT MANUAL 51-20-009-210. NO CORROSION FOUND AFTER REMOVAL OF PAINT AND DUE DAMAGE NOT ALLOWED ON STGR 24RH BTW FS280 TO FS295 AT MAIN AVIONICS COMPARTMENT PER CRJ 900 SRM 53-21-03-101-002-A04 AND REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 AND PER CRJ-900 SRM 51-42-21-001-001-A01.