What was found
F.S. 589 FRAME IS CORRODED IN TWO LOCATIONS. FIRST LOCATION IS BETWEEN STRG 20R TO 21R. SECOND IS AT STRG 23R AT THE TOP AND AFT SIDE. (C-CHECK) RO 2/1/2021 REMOVED DAMAGED FRAME AND INSTALLED NEW SERVICEABLE FRAME IAW CRJ-200 SRM 51-42-06, 51-42-21 AND 51-40-11. SEE CONTINUATION CARD FOR DETAILS OF WORK PERFORMED.ALL WORK PERFORMED, AND COMPLIED WITH SKYWEST CARD 51-900-1003-SKY. 337 ATTACHED. PART FOR PART REPLACEMENT, NO WEIGHT CHANGE. REFERENCED DRAWING 601R23025 FOR FASTENER CALL OUT.