(1)
Put an access platform in position in the zone 130.
(2)
Open the forward cargo compartment door 825 (Ref. TASK 52-30-00-860-001).
(3)
Remove the floor panels of the forward cargo compartment (Ref. TASK 53-22-14-000-001).
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CES Subtask 53-21-00-110-068
B. Cleaning of the Structure
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
(1) Clean the inspection area with CLEANING AGENTS (Material No. 11-004) and a lint-free cotton cloth MISCELLANEOUS (Material No. 19-003), if necessary.
NOTE : During the inspection, if you find sealant cracked or in bad
____ condition, or with the edges separated from the structure, you must remove and replace sealant.
4. Procedure
_________
Subtask 53-21-00-220-068
A. Inspection
(Ref. Fig. 619/TASK 53-21-00-991-013)
(1)
Do a detailed inspection of the fuselage internal structure between FR24 and FR35 from STGR38 to the bottom centerline (left and right sides). This inspection includes the forward face of the pressure bulkhead.
(2)
Make sure that there is no :
(a)
Corrosion damage :
-If you find corrosion damage, refer to the Structural Repair Manual (Ref. SRM 512200 P.Block 001) for types, inspection, removal and corrosion protection.
(b)
Other damage (cracks, scratches, stress, marks, dents, bumps,...):
-If you find this type of damage, refer to the Structural Repair Manual (Ref. SRM 511100 P.Block 001) for damage classification and corrective action.
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CES
Fuselage Internal Structure between FR24 and FR35 from STGR38 to bottom
Centerline, Left and Right Sides
Figure 619/TASK 53-21-00-991-013
CES
Subtask 53-21-00-916-052
B. Application of Temporary Protection
(Ref. Fig. 619/TASK 53-21-00-991-013)
CAUTION : DO NOT APPLY TEMPORARY PROTECTION ON THE OXYGEN SYSTEMS.
_______ MAKE SURE THAT THE TEMPORARY PROTECTION DOES NOT GET: -ON COMPOSITE PARTS, CONTROL CABLES, PULLEYS,TEFLON BEARINGS. -ON LUBRICATED SURFACES. -IN DRAIN VALVES OR OTHER ORIFICES. TEMPORARY PROTECTION ON OR IN THESE PARTS CAN CAUSE DAMAGE.
(1)
Apply masking paper or masking tape BONDING AND ADHESIVE COMPOUNDS (Material No. 08-074) on the equipment and fittings adjacent to the area.
(2)
Apply a layer of STORAGE PRESERVATION (Material No. 15-005) or STORAGE PRESERVATION (Material No. 15-006) to the inspection area.
(3)
After this application, apply a layer of STORAGE PRESERVATION (Material No. 15-008) or STORAGE PRESERVATION (Material No. 15-007) on area A (Area A is between FR34 and FR35).
(4)
Remove the masking paper or the masking tape.
5. Close-up
________ Subtask 53-21-00-410-067
A. Installation of the Components
(1) Install the floor panels of the forward cargo compartment (Ref. TASK 53-22-14-400-001).
Subtask 53-21-00-942-067
B. Close Access WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE ELEVATORS ARE CLEAR
_______
DURING CARGO COMPARTMENT DOOR OPERATION.
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the forward cargo-compartment door 825 (Ref. TASK 52-30-00-860-002).
(3)
Remove the access platform(s).
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CES
INTENTIONALLY BLANK
**ON A/C 301-399,
TASK 53-21-00-200-013-A
Detailed Inspection of Fuselage Internal Structure between FR 24 and FR 35.8, Including Forward Face of Pressure Bulkhead, from Stringer 38 LH/RH to botto...
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