What was found
THE 3 BELLY DRAINS AT STA 500B HAVE SURFACE CORROSION AROUND DRAIN ON THE EXTERNAL FUSELAGE. ; / [01] REMOVED LIGHT SURFACE CORROSION WITHIN LIMITS IAW SRM 53-30-01-1A-1.; [02] C/W NDT INSPECTION PER SRM 53-30-01-1A-1. AND 737 NDT PART 6 51-00-00 PROCEDURE 23.; [03] VERIFIED CORRECTIVE ACTION STEP #1; [04] ALODINED AND PRIMED BARE METAL IAW SRM 53-30-01-1A-1.; [05] REMOVED CORROSION PER SRM 51-10-02 .WITHIN LIMITS PER SRM 53-30-01-1A-1 SEE STEPS 1 THROUGH 4 FOR ADDITIONAL WORK PREFORMED