What was found
CORROSION ON CABIN FLOOR SILL LH AT FS473.15 AND LBL36. *******AIRCRAFT REMOVED FROM SERVICE******* REMOVED CORROSION ON LH FLOOR SILL AT F473.15AND LBL 36. P16-L=3.500IN X W=1.700IN X D=.002 ORIGINAL THICKNESS 00.80 REMAINING THICKNESS .078 MATERIAL LOSS .002. PERFORMED HFEC WITH NO INDICATIONS. RESTORED PROTECTIVE FINISH . ALL WORK WITHIN LIMITS WAS PERFORMED IAW ASAP EA# AWAC-CRJ 253-01988 REV A DATE 5/27/2023. WORK PERFORMED UNDER AERSALE WORK ORDER 009311, CARD NO.20167, TT: 38,125:30 TC: 36,944