What was found
RH LATCH-PIN INTERCOSTAL BETWEEN FS349.00 AND FS364.00 HAS CORROSION AROUND SEVERAL FASTENER HOLES (C-CHECK RO 4/25/2022) REMOVED AND INSTALLED RH LATCH-PIN INTERCOSTAL FROM FS349.00 TO FS364.00 REF DWG SH670-32050 REV. J, CRJ 900 SRM 51-42-06-001-001-A01 AND CRJ 900 SRM 51-42-21-001-001-A01. COMPLIED WITH TASK CARD 51-900-1002-SKY. LEAK CHECK GOOD. SEE CONTINUE CARD FOR DETAILS.