What was found
FRAME DOUBLER IS CORRODED AT FRAME F.S.310 AT APPROX. WL 75( LEFT SIDE) (C-CHECK RO 4/2/2021) REMOVED AND REPLACED ONE HI LITE IAW CRJ 200 SRM 51-42-21 PAR. 6.E, TO BLEND AREA AND REMOVE MINOR CORROSION FROM F.S 310. LOWER FRAME DOUBLER IAW CRJ 200 SRM 51-21-06 PAR.D (1-3), MEASURED MATIRAL LOSS TO BE .002" FROM ORIGINAL "T" .125" WITH REMAINING "T" OF .123" MEASURED WITH WVACT 204928 CAL DUE:31 JAN 2022. FOUND TO BE " IN LIMITS" IAW CRJ 200 SRM 53-21-23 REF: SRM 53-00-00