As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT WING FUEL TANK ACCESS PANEL 633CB CLAMP RING HAVE FRETTING CORROSION; MARKED. / EVALUATED FRETTING CORROSION ON RIGHT WING FUEL TANK ACCESS PANEL 633CB CLAMP RING. REMOVE AND REPLACED RIGHT HAND FUEL TANK ACCESS PANEL CLAMP RING IAW B737 SRM 57-20-01-01-1A-1 FIGURE 104 SHEET 7 ATAG A25758