What was found
AIRCRAFT STRUCK BY WATER SERVICING TRUCK. AFT OF WATER SERVICING DOOR. LOCATION OF DAMAGE IS AFT OF THE LAV VACUME WASTE ACCESS PANEL, UNDER BULK CARGO LAV WASTE TANKS. WASTE TANK RINSE LINE FITTING ASSEMBLY - REMOVAL IAW AMM DMC-B787-A-38-32-14, FOR CLOSEST PART TO DAMAGED ZONE. COMPLETED STEP A. 5. OF AVO 16642 REV A. DAMAGED AREA NEEDS REGRID IN 0.250" SQUARE FOR A SCAN IAW AVO16642 REC, C, OP 10, PERFORMED ULTRASONIC INSPECTION AS REQUESTED OF ALL RADI CONCERNED IN THE CALL OUT, NO DEFECTS IN ANY OF THE RADIUS NOTED. TEST IAW NDT PART 4 51-00-23. WASTE TANK RACKS STILL REQUIRE REMOVAL PRIOR TO REMOVING INTERCOSTALS. PERFORMED GUIDED ASCAN IAW NDT MANUAL PT 4 51-00-06 OF INTERIOR. BOTH INTERCOSTALS AND INBOARD LEFT AND RIGHT TANK RAILS HAVE BEEN REMOVED FOR INSPECTION SCANS. ACCOMPLISHED STEP B5 TO INCLUDE REVISION E PREVIOUSLY RII COMPLIED WITH REF CONTRACT UAL-RE-BGS-260019. CATEGORY A.