As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: EXTERIOR FUSELAGE SKIN AND SEVERAL FASTENERS UNDER RIGHT AFT RAM AIR INLET MODULATION PANEL HAS CORROSION. REMOVED CORROSION AT EXTERIOR FUSELAGE SKIN BS 500I TO 520 RIGHT AFT RAM AIR INLET MODULATION. PER B737 NG SRM 51-10-02-0G.