What was found
CORROSION INTERNAL SKIN TOILET SERVICE DOOR 145AL BETWEEN BST 847 TO BST 867 LBL 31 AND WL 165.1 AT LOWER FUSELAGE ; 2021-567374 / [01] TOOL USED ULTRASONIC THICKNESS GAUGE P/N: 45MG; S/N: 130061901; CAL DUE DATE: 11-MAY-22; [02] REPLACED TOILET SERVICE DOOR #145AL BETWEEN BST 847 TO BST 867 LBL 31 AND WL 165.1 AT LOWER FUSELAGE IAW B737-700 SRM 51-10-02 AND AMM 52-49-07; PART NUMBER USED: 146A7410Y7; PO#2021-244159.SEE INDIVIDUAL SIGN OFFS BELOW; [03] REPLACED TOILET SERVICE DOOR #145AL BETWEEN BST 847 TO BST 867 LBL 31 AND WL 165.1 AT LOWER FUSELAGE IAW B737-700 SRM 51-10-02 AND AMM 52-49-07; PART NUMBER USED: 146A7410Y7; PO#2021-244159.