As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2220540) DURING INSPECTION FOUND CORROSION ON RINGS OF FUEL ACCESS PANELS 632GB, 632AB AND 632JB. CORROSION ON CLAMP RING ACCESS 632GB, 632AB AND 632JB WAS REMOVED PER B737-900ER SRM 57-20-01-2R-1-REPAIR 1 PAR 4 D AND SRM 51-10-02-0G.