What was found
WASTE SERVICE DOOR IS CORRODED AS MARKED. CORROSION FOUND OUT OF LIMITS REF SRM 51-75-16, REMOVED AND REPLACED WASTE SERVICE DOOR WITH NEW, APPLIED SURFACE PROTECTION REF SRM 51-23-04,51-23-05 AND 51-23-06 AMM 20-10-01. AIRCRAFT REMAINS IN HEAVY CHECK BNA.