What was found
AFT FUSELAGE LOWER SKIN HAS 3 EA DENTS AT FS 1660 BETWEEN S29R & S30. EVALUATED DENT BY MECH MEANS AT FS 1660, S29R, S30. DEPTH GAGE ASSET NR 0018677, FOUND A=.600, .009 A/Y=66.67. C/W HFEC INSP IAW NDTM PT 6, CH 51-00-19. NO DEFECTS NOTED COMPLIED WITH PRI ER/A 545001-14. REV O, REV 1, REV 2, AND REV 3.