What was found
CORROSION ON STRINGER BETWEEN FS 310.00 AND FS 349.00 STRG 21RH AT MAIN AVIONICS COMPARTMENT. STRINGER BETWEEN FS 310.00 TO FS 333.00 WAS CLEANED AND CORROSION WAS NOT FOUND PER CRJ-900 SRM 51-26-00-001-001-A01 AND DAMAGED AREA ON STRINGER 21 R/H BETWEEN FS 333.00 AND FS 379.00 OF MAIN AVIONICS COMPARTMENT, IS NOT ALLOWED, THEREFORE WAS REPLACED PER CRJ/900 SRM 53-21-03-101-006-A04, SRM 51-42-21-001-001-A01 AND SRM 51-42-13-001-001-A01