What was found
WHILE REMOVING STRINGER 23L FOUND ADDITIONAL CORROSION ON STRINGER 22 L BETWEEN @FS295.00 & FS310.00 (C-CHECK RO 11-05-2021) INSTALLED NEW STR 22L BETWEEN FS 280.00 TO FS 333.00 REF CRJ 700 SRM 51-42-06-001-001-A01 AND DWG SH670-31630 REV K AND REO 670-53-21-2156 REV -- DATE 2021-09-30 COMPLIED WITH 51-900-1002-SKY AND FORM M337, SEE CONTINUE CARD FOR MORE DETAILS . LEAK CHECK GOOD