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AIRSTAIR  APPLY TO INTERNAL SURFACE OF FORWARD AIRSTAIR DOOR 
ALL EMERGENCY DOORS AND EXIT HATCHES  SPRAY INTERNAL STRUCTURE AND CONNECTION POINTS 
EMERGENCY EXIT HATCHES AND LOWER CARGO DOORS  SPRAY SURFACES OF HATCHES OR DOORS AND FUSELAGE FRAMES THAT ARE CONCEALED WHEN HATCHES OR DOORS ARE SECURED. SPRAY UNDER CARGO DOOR SCUFF PLATES. APPLY TO LOWER 3 TO 4 INCHES OF LOWER CARGO DOORS. 
FUSELAGE      DOOR OPENINGS, SILLS, ETC.  SPRAY INTO SKIN AND DOUBLER FAYING SURFACE CRACKS AT ALL DOOR OPENINGS AND UNDER DOOR SILLS. 
     FUSELAGE EXTERNAL SKIN AND STRUCTURE  APPLY TO PAINTED SURFACES ONLY TO PREVENT FILIFORM CORROSION. SPRAY RIVET HEADS AND PANEL EDGES WHERE PAINT HAS CRACKED OR FLAKED. WIPE OFF EXCESS. STRUCTURE COVERED BY WING TO BODY FAIRING INCLUDING RAM AIR INLET.
     FUSELAGE LAP JOINTS EXTERNAL  SPRAY INTO LAP JOINTS AND ON LAP JOINT RIVET HEADS. LEAVE ON FOR 30 MINUTES, THEN CLEAN OFF EXCESS WITH SOLVENT
 KEEL BEAM  APPLY BMS 3-23 TO ENTIRE FORWARD AND AFT RING CHORD COMMON TO BODY SKIN 
     STA 360 FRAME  APPLY BMS 3-24 TO ENTIRE FORWARD AND AFT RING CHORD COMMON TO BODY SKIN. 

Jan 20/82 51-21-91
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BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

DESCRIPTION OF AREA
FUSELAGE LAP JOINTS INTERNAL
STRINGERS, FRAMES AND FUSELAGE SKIN IN CROWN (STRINGER 10 AND ABOVE)
ALL STRINGERS, FRAMES AND FUSELAGE SKIN BELOW CARGO COMPARTMENT FLOORS
BODY UPPER LOBE

FUSELAGE INTERNAL PRESSURE AREA
METHOD OF BMS 3-23 APPLICATION
APPLY TO INTERNAL EDGE OF LAP JOINTS, RIVETS AND STRINGER SKIN FAYING SURFACE
 WARNING:  ALLOW SOLVENT TO EVAPORATE BEFORE REAPPLYING INSULATION BLANKETS. BMS 3-23 SOAKED BLANKETS ARE A POTENTIAL HAZARD.
REMOVE INSULATION BLANKETS (REF 25-52-141). MASK OXYGEN LINES AND SPRAY ALL EXPOSED STRUCTURE.
 WARNING:  BMS 3-23 SHOULD NOT BE SPRAYED ON OXYGEN LINES OR FITTINGS ALLOW SOLVENT TO EVAPORATE BEFORE REINSTALLING BLANKETS. BMS 3-23 SOAKED INSULATION BLANKETS ARE A POTENTIAL FIRE HAZARD.
REMOVE INSULATION BLANKETS (REF 25-52-141). SPRAY ALL EXPOSED STRUCTURE. 
 WARNING:  ALLOW SOLVENT TO EVAPORATE BEFORE REINSTALLING INSULATION BLANKETS. BMS 3-23 SOAKED INSULATION BLANKETS ARE A POTENTIAL FIRE HAZARD.
WHEN REINSTALLING INSULATION BLANKETS, PROVIDE GAP BETWEEN BLANKET AND SKIN (REF 25-52-141). INSPECT CONDITION OF BONDED DOUBLERS WHILE AREA IS EXPOSED.
APPLY TO BODY UPPER LOBE ABOVE WL 208.1 BETWEEN STA 260 AND STA 1016, INCLUDING FORWARD FACE OF STA 1016 BULKHEAD.
APPLY TO STRUCTURE LEFT AND RIGHT HAND SIDE BETWEEN WL 208.1 AND CARGO DECK, STA 363 TO STA 520 AND STA 727 TO STA 907 INCLUDING FORWARD SIDE OF STA 907 FRAME.
APPLY TO PRESSURE SIDE OF BODY SKIN BETWEEN BODY STA 227.8 AND BODY STA 270 BELOW WL 208.1.
APPLY TO SKIN AND STRINGERS BETWEEN BODY STA 1040 AND BODY STA 1088 INCLUDING THE FORWARD FACE OF STA 1088 BULKHEAD.
Jan 20/82  51-21-91
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BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

DESCRIPTION OF AREA
ELECTRONIC COMPARTMENT
AIR CONDITIONING BAY

FLOOR BEAMS, PASSENGER DECK
TOILET AND GALLEY AREAS
AFT PRESSURE BULKHEAD 
SEAT TRACKS

METHOD OF BMS 3-23 APPLICATION
SPRAY FUSELAGE SKIN, FRAMES, AND STRINGERS IN BELLY. SPRAY ELECTRONIC BAY DOOR AND DOOR FRAME.
 NOTE: INSULATION BLANKETS MUST BE LIFTED.
 WARNING:  ALLOW SOLVENT TO EVAPORATE BEFORE REINSTALLING INSULATION BLANKETS. BMS 3-23 SOAKED INSULATION BLANKETS ARE A FIRE HAZARD.
SPACE BLANKETS AWAY FROM SKIN (REF 25-52-141).
APPLY TO ENTIRE SURFACE OF FRONT SPAR, FUSELAGE SKIN, STRINGERS AND FRAMES. DO NOT APPLY TO DUCTING. COVER ALL STRUCTURE BELOW WL 208 BETWEEN STA 520 AND 540.
MASK OXYGEN LINES AND APPLY BMS 3-23 TO FACES AND FLANGES OF FLOOR BEAMS UNDER GALLEYS, TOILETS AND ENTRY DOORS.
 WARNING:  BMS 3-23 MUST NOT BE SPRAYED ON OXYGEN LINES OR FITTINGS AS MIXTURE IS POTENTIALLY EXPLOSIVE.
SPRAY STRUCTURE BELOW TOILET AND GALLEY AREAS INCLUDING TOILET COMPARTMENT PANS. SPRAY INSIDE SURFACE OF AFT PRESSURE BULKHEAD.
SPRAY ENTIRE AFT FACE OF STA 1016 PRESSURE BULKHEAD AND TO ALL SKIN AND STRINGERS BETWEEN BODY STA 1016 AND 1040.
MASK CARPETS AND APPLY BMS 3-23 TO INSIDE AND TOP SURFACES OF SEAT TRACK INCLUDING TRACK UNDER GALLEYS.
APPLY TO CAVITY OF ALL SEAT TRACKS BETWEEN  STA 344 AND STA 947.
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BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

DESCRIPTION OF AREA
EMPENNAGE EXTERNAL SKIN - PAINTED SURFACES ONLY
　
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