What was found
CORROSION ON FRAME AT FS 333.00 ST STR 27 (FILED CLOSED) EVALUATED CORROSION AND FOUND TO BE OUT OF LIMITS. REMOVED, LOCATED NEW FRAME SECTION FROM STGR 18L TO STGR 23R FS 333 BACKDRILLED AND INSTALLED NEW FRAME SECTION IAW CRJ200 SRM 51-40-11, SRM 51-42-06, SRM 51-42-11, SRM 51-42-21 AND SRM 51-25-00, AND SRM 51-21-06 / CALIBRATED TOOLS USE EPOCH 650 AV 8959 CAL DUE SEP 21, OLYMPUS 600 NORTEC AV 8958 CAL DATE SEP 21 / NEGLIGIBLE WEIGHT CHANGE. PRESSSURE CHECK GOOD. COMPLIED WITH 51-900-1003-SKY