What was found
UNDERFLOOR CORROSION.FRAME FS319.7 CORRODED BETWEEN STRINGERS 18L TO 21L. (C-CHECK RO 3/11/2022) REMOVED AND INSTALLED NEW REPLACEMENT FRAME (P/N SH670-31891-3S) AT FS319.70 BETWEEN STGR'S 18L AND 21L. REF BOMBARDIER DWG# SH670-31810 REV AE, CRJ700 SRM 51-42-06-001-001-A01 AND CRJ700 SRM 51-42-21-001-001-A01. LEAK CHECK GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY. SEE CONTINUE CARD FOR DETAILS.