What was found
INSIDE THE AIRCRAFT CABIN LEFT SIDE F.S. 510.00 (APPROX) PRESSURE FLOOR SILL SHOWS SIGNS OF CORROSION (AREA MARKED WITH RED GREASE PENCIL) (C-CHECK RO 08/31/2026)REMOVED CORROSION FROM CABIN LEFT HAND SIDE PRESSURE FLOOR SILL AT F.S. 510.00 IAW CRJ200 SRM 51-21-06MEASURED AREA ON PRESSURE FLOOR SILL ORIGINAL THICKNESS IS 0.080" MINIMUM REMAINING THICKNESS ON AREA IS 0.077" AREA FOUND TO BE ALLOWABLE LIMITS IAW MHIRJ REO 601R-53-41-3402 REV-- DATE 2026-02-12. RESTORED SURFACE FINISH ON FLOOR SILL IAW MHI RJ REO 601R-53-41-3402 REV-- DATE 2026-02-12 AND CRJ200 SRM 51-21-16. CIC WILL BE APPLIED ON WORK CARD 2530 CP 3182324. 27