What was found
FS 349 LOWER FRAME SEGMENT IS CORRODED BETWEEEN STRINGER 25L AND STRINGER 25R (C-CHECK) RO 12/14/2019 REMOVED LIGHT CORROSION FROM FS 349 LOWER FRAME SEGMENT BETWEEN STRINGER 25L AND STRINGER 25R IAW CRJ-200 SRM. FOUND TO BE WITHIN LIMITS IAW CRJ. MAX MATERIAL REMOVED .004" REMAINING MATERIAL .059" NOMINAL MATERIAL THICKNESS .063" REMOVED AND REPLACED 13EA FASTENERS IAW CRJ-200 SRM. REAPPLIED FINISH IAW CRJ. / CALIBRATED TOOL INFO: / DEPTH GAUGE: WVACTENG4886 / CAL DATE: 10-JUN-19 / CAL DATE: 30-JUN-20