As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C19 CHECK DISCOVERED CORROSION ON 1016 BULKHEAD LOWER GASKET RETRAINING STRIP FROM BL 2L TO BL 4R. MAINTENANCE REMOVED CORROSION ON THE -10 STRIP IAW BOEING 737-300 SRM 51-10-02-0G AND WAS WITHIN LIMITS. REMOVED CORROSION ON THE -16 STRIP AND CORROSION WAS OUT OF LIMITS. MAINTENANCE REMOVED AND REPLACED THE -16 STRIP IAW BOEING 737-300 SRM 51-40-02-06 FIGURES 9 AND 10 AND BOEING DWG 65-46812.