What was found
SURFACE CORROSION ON BOTH LOWER ANGLES ON PANEL 1431DL. REMOVED AND REPLACED LOWER ANGLES ON 1431DL REF. SRM 51-40-02,51-40-08 AMM 20-10-07. RESTORED SURFACE PROTECTION REF SRM 51-23-04, 51-23-05, 51-23-06. AIRCRAFT REMAINS IN HEAVY CHECK BNA