What was found
CORROSION FOUND ON AVIONICS SURROUND STUCTURAL SUPPORT INTERCOSTAL JUST LEFT OF STR 27 BTW F/S 394-409 (C-CHECK RO 12/07/2021) REMOVED AND INSTALLED NEW SERVICEABLE INTERCOSTAL JUST LEFT OF STGR27 AT FS394.00-FS409.00. CRJ700 SRM 51-42-21-001-001-A01, CRJ700 SRM 51-42-06-001-001-A01, AND DWG SH670-32050 REV J. COMPLIED WITH FORM M-337 AND SKYWEST TASK CARD 51-900-1002-SKY. LEAK CHECK GOOD.