What was found
UPON REMOVAL OF THE APU AFT SHIELD ASSEMBLY, 8 SPOTS OF PITTING CORROSION/CHAFFING DAMAGE WERE FOUND ON THE EXTERNAL FUSELAGE SKIN AT THE MOUNTING POINTS AT VARIOUS LOCATIONS FROM FS 682.00 +10 €“ FS 700.00 IN BETWEEN STR12R-STR15R. (C-CHECK RO 06/12/2025)UPON FURTHER EVALAUTION CORROSION IDENTIFED AT 24 LOCATIONS RHS FUSELAGE SKIN BETWEEN FS682.00 - FS 736.00 AND STR12R - STR15R. BLENDED CORROSION ON RHS FUSELAGE WITH REFERENCE TO SRM 51-21-06 AND COMPLIED WITH REO 601R-53-61-8327 REV "--" DATED 2025-04-27. PERFORMED EDDY CURRENT INSPECTION WITH REFERENCE TO NDTM PART 1 51-20-06 AND NDTM PART 6 53-00-096. COMPLIED WITH TASK CARD 51-900-1003-SKY. COMPLETED M-337. COMPLETED CORROSION FINDINGS REPORT.