What was found
MAIN AVIONICS COMPARTMENT - DOOR CUTOUT INTERIOR STRUCTURE HAS SUSPECTED CORROSION ON FORWARD LEFT SIDE OF LOWER FS349.0. LOCATION MARKED AND FLAGGED. (C-CHECK RO 10/8/2021) REMOVED CORROSION FROM FS349 FRAME REF. CRJ200 SRM 51-21-06. EVALUATED AND FOUND TO BE OUT OF LIMITS. REPAIRED FRAME FS349 PER REO 601R-53-21-3494 REV -- DATED 2021-09-12 . COMPLIED WITH TASK CARD 51-900-1003-SKY AND SEE CONTINUATION CARD FOR DETAILS. PRESSURE CHECK GOOD