As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE: C, FX NOSE TUNNEL RT WW SIDEWALL ATTACH ANGLE CORRODED AT STA 380. CORROSION BLEND OUT 0.040 X 1.25 X 4 INCH. BS 380 RT VERT ANGLE REPAIRED AS PER RS R53-18-35076 AND UPS EO B747-5310-19273-A FOR REPEAT DETAIL EXTERNAL VISUAL INSPECTION.