What was found
DENTS ON AFT LOWER FUSELAGE SKIN BTW FS1162.00-55.63% REAR SPAR DATUM AND BTW STR22L-STR22R. DENTS ON AFT LOWER FUSELAGE SKIN BTW FS1162.00-55.63% REAR SPAR DATUM AND BTW STR22L-STR22R WERE REPAIRED PER REO 670-53-71-095 REV. - - AND EA A1-670-53-00054 REV C SECTION III PERMANENT REPAIR. ADDITIONAL SPECIFIC AIRWORTHINESS LIMITATIONS ARE NEEDED. WITH A THRESHOLD OF 40,000 FLIGHT CYCLES, INITIAL REPEAT EVERY 20,000 FLIGHT CYCLES AN INSPECTION TYPE SPECIAL DETAILED WITH NDT MANUAL REF SURFACE/SUBSURFACE NDI MUST BE PERFORMED, UNTIL A TRANSPORT CANADA ACCEPTED NDTM TECHNIQUE HAS BEEN MADE AVAILABLE, THE AIRCRAFT MUST NOT BE OPERATED BEYOND THE LIMITATION AS GIVEN BY THE INSPECTION THRESHOLD SPECIFIED.