What was found
*LH WING FLIGHT SPOILER HAS FRETTING ON LOWER SKIN AT AT LEADING EDGE ALONG ENTIRE LENGTH (C-CHECK - RO 6/19/21) / REMOVED DAMAGE FROM UPPER FLANGE OF INNER SPAR THAT ATTACHES TO LOWER SKIN OF LH WING FLIGHT SPOILER.REF CRJ 200 SRM 51-12-00. EVALUATED DAMAGE REMOVAL ON L/H WING FLIGHT SPOILER, ORG THICKNESS OF INNER SPAR SKIN 0.032" (REF CRJ200 SRM 57-73-00) MATERIAL REMOVED 0.013", REMAINING MATERIAL 0.019", FOUND OUT OF LIMITS DUE TO MAX ALLOWED MATERIAL LOSS IS 10% REF CRJ200 SRM 57-73-00 AND CRJ200 SRM 57-00-31. REMOVED LH FLIGHT SPOILER REF CRJ 200 AMM 27-64-05-000-801. - INSTALLED NEW LH FLIGHT SPOILER. REF CRJ 200 AMM 27-64-05-400-801. RIG AND OPERATIONAL CHECKS GOOD.