What was found
CORROSION FOUND AT LAP SPLICE JUST BELOW LAV WASTE VENT APPROX STA 909.5. GROUNDED - YES. REMOVED FASTENERS TO FACILITATE CORROSION REMOVAL. REMOVED AND BLENDED CORROSION AT LAP JOINT FROM STA 905.5 TO STA 915.5. LOWEST THICKNESS REMAINING IS .058". ACCOMP HFEC OF BLENDED AREAS AND FASTENER HOLES PER 737 NDT MANUAL PT6-51-00-00 PROCEDURE #23 & #16. NO DISCONTINUITIES NOTED. ACCOMP REPAIR PER ASA EA 800-53EA-21777