BAC5793 W EFF DATE SUBCONTRACTOR(S) …

1 BAC5793 REVISION W 4/18/2018 APPLICATION OF CORROSION RESISTANT FINISH FOR INTEGRAL FUEL TANKSBAC 5793 DEPARTURESEFF DATESUBCONTRACTOR(S) AFFECTEDON MODELSMFG DEPTS OF DIV BELOW AFFECTED9-1910/28/2004 NOT AVAILABLE9-2010/28/2004 NOT AVAILABLE6-11010/1/2014 NONEALL COMMERCIAL AIRPLANES AND DERIVATIVES THEREOFBOEING PORTLAND6-1158/29/2017 ALL787 BCA AND SUPPORTING6-1088/18/2014 JAPANESE SUBCONTRACTORSALL COMMERCIAL AIRPLANES AND DERIVATIVES THEREOFNONE6-1065/1/2014 NIPPI CORPORATION, AEROSPACE DIVISION 3175 SHOWA-MACHI, KANAZAWA-KU YOKOHAMA, 236-8540 JAPAN767, 777 NONE6-1075/9/2014 NONEALL COMMERCIAL AIRPLANES AND DERIVATIVES THEREOFA-7300, A-3250, A-3254, A-W315.

2 AND A-W3256-1183/2/2018 NONEALL COMMERCIAL AIRPLANES AND DERIVATIVES THEREOFA-W315 AND A-W3256-1172/7/2018 ALL777-9 ALL, EXCEPT A-W315 AND A-W325 DCNPSO_004512_014/18/2018N/AN/AN/A9-2510 /14/2015 ALLF1 ALL BDS (EXCEPT 494)BDS AND SUPPORTING6-10911/4/2014 NONEALL COMMERCIAL AIRPLANES AND DERIVATIVES THEREOFSHOPS A-W315 AND A-W325 ONLY6-1134/24/2015 ALLALL COMMERCIAL AIRPLANES AND DERIVATIVES THEREOFBCA AND SUPPORTINGTHIS SPECIFICATION ESTABLISHES THE REQUIREMENTS FOR SPRAY OR BRUSH APPLICATION OF BMS10-20, TYPE II, A CORROSION RESISTANT FINISH FOR INTEGRAL FUEL ALLOW BOEING PORTLAND TO USE THEIR EXISTING OVENS CAPABLE OF HOLDING +/- 25 F TOLERANCE AT SET POINTS OF 165 F (74 C) TO 175 F (80 C).

3 1)REVISE MASKING REQUIREMENT TO MINIMIZE CONTAMINATION TRANSFER,2)SURFACE PREPARATION/THICKNESS FOR COMPOSITES,3)REWORK REQUIREMENTS FOR TI/CRES,4)MORE STRINGENT WET ADHESION TEST, AND5)MANDATE 100 PERCENT ADHESION TEST FREQUENCIES FOR ALLOW USE OF JIS K 1524 MEK FOR SURFACE PREPARATION AND MEK RUB PROVIDE SPECIFICATION COVERAGE FOR NIPPI TO USE INFRARED (IR) OVEN FOR DRYING/CURING BMS10-20, TYPE II, CLASS A, GRADE A FUEL TANK ALLOW 30 MINUTES INDUCTION TIME FOR BMS10-20, GRADE A ON METAL TO REMOVE ONE TIME LIMITATION FOR REWORK IN AND TO ADD ADDITIONAL PROCESSING STEPS (WET ADHESION TESTING).

4 UPDATES REBRANDED ALODINE PRODUCT NAMES TO ) REVISE MASKING REQUIREMENT TO MINIMIZE CONTAMINATION TRANSFER, 2) SURFACE PREPARATION FOR COMPOSITES, 3) REWORK FOR TITANIUM AND CRES, 4) 100 PERCENT FREQUENCY FOR PLASTIC HARDWARE ADHESION TESTING, AND 5) THICKNESS REQUIREMENT FOR PLASTIC SECTION TITLE TO SEALED ANODIZED ALUMINUM. UPDATE TO REV. REVISE THICKNESS REQUIREMENTS FOR COMPLEX SHAPED REDUCE MINIMUM FORCE DRY TIME PRIOR TO SEALING FROM 3 HOURS TO 90 MINUTES FOR WING ASSEMBLES THAT HAVE PREVIOUSLY APPLIED FUEL SEALANT.