What was found
NR481 - CORROSION AROUND AIR INLET DUCT FLANGE APU TORQUE BOX WEB BS 1064 RIGHT HAND SIDE. REPLACED AIR INLET DUCT FLANGE IN ACCORDANCE WITH BOEING SRM 51-10-1, PAGE 8, 51-30-2, FIGURES 11, 12, 13, AND 51-30-6, FIGURE 3.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR481 - CORROSION AROUND AIR INLET DUCT FLANGE APU TORQUE BOX WEB BS 1064 RIGHT HAND SIDE. REPLACED AIR INLET DUCT FLANGE IN ACCORDANCE WITH BOEING SRM 51-10-1, PAGE 8, 51-30-2, FIGURES 11, 12, 13, AND 51-30-6, FIGURE 3.