What was found
WEAR ON EXTERNAL FUSELAGE SKIN STR 27L, BTW BS 900 - 920 WEAR ON FUSELAGE SKIN WAS EVALUATED SKIN BTW BS 913 - 927, STR 27L, FOUND OUT LIMITS AND SKIN AT BS 900 IS WITHIN LIMITS IAW SRM 53-00-01-101-001-A01 AND AREA WAS REPAIRED IAW EA CRJ953-19697, REV IR.