What was found
TOILET SERVICE PANEL 145AL INTERNAL SIDE HAS CORROSION BETWEEN HINGES. BOTH LATCHES HAVE CORROSION. SPOTS OF BARE METAL. GROUND WIRE HAS BROKEN STRANDS. / [01] REMOVED TOILET SERVICE PANEL #145AL TO GAIN ACCESS PER B737-700 SRM 51-40-02-0G-0;[02] REMOVED CORROSION AT INTERNAL SIDE; BETWEEN HINGES AND LATCHES AT TOILET SERVICE DOOR PER B737-700 SRM 51-10-02-0G-0;[03] PERFORMED UT THICKNESS ON REWORKED AREAS BETWEEN HINGES AND LATCHES AT TOILET SERVICE DOOR INTERNAL SIDE IAW NDTM PART 4; 51-00-00 PROCEDURE 3. MINIMUM FOUND AT CHEM-MILLED AREA : 0.039'<BR>MINIMUM FOUND AT NON-CHEM-MILLED AREA :0.097'<BR><BR>[OLYMPUS 27MG; B/C 172139; CALIB.DUE-4/23];[04] PERFORMED UT THICKNESS ON REWORKED AREAS BETWEEN HINGES AND LATCHES AT TOILET SERVICE DOOR INTERNAL SIDE IAW NDTM PART 4; 51-00-00 PROCEDURE 3. MINIMUM FOUND AT CHEM-MILLED AREA : 0.034'<BR>MINIMUM FOUND AT NON-CHEM-MILLED AREA :0.097';[05] NOTE: CORRECT STANDARD USED FOR 7075 -T6.;[06] AFTER REMOVED CORROSION AT INNER SURFACE TOILET ACCESS DOOR FOUND WITH OUT LIMITS PER B737-700 SRM 52-40-01-1A-4. ORIG.THIKCNESS=.060' MAT.REMOVED=.026' MAT. REMAINING=.034';[07] VERIFIED STEP 6.;[08] CERTIFIED;[09] VERIFIED STEPS: 1 AND 2.;[10] INSTALLED NEW TOILET SERVICE PANEL #145AL B737-700 SRM 51-40-02-0G-0. INSTALLED NEW GROUND WIRE AND PERFORMED BONDING TEST. VALUE WITHIN LIMITS REF. B737-700 SWPM 20-20-00. TESTER USED B/C 168698 CAL DUE 04-APR-23.