51-75-12-300-001 Repair of Major Paint Damage on Light Alloy and Composite Material
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CES -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
51-75-12-300-003 Repair of Minor Paint Damage (Topcoat Only) 53-45-15-000-001 Removal of the Scuff Plates at the AFT Passenger/Crew Doors 53-45-15-400-001 Installation of the Scuff Plates at the AFT
Passenger/Crew Doors ASRM 51-11-00-001 ASRM 51-22-00-001 ASRM 53-41-11-101 NTM 534133-Part.2 NTM 534133-Part.6 ASRM 51-74-00-001 (for corrective action) 53-41-00-991-021 Fig. 618
3. Job Set-up
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Subtask 53-41-00-010-094
A. Get Access
(1)
Remove the forward and aft scuff plates at the AFT passenger/crew doors (Ref. TASK 53-45-15-000-001).
(2)
Remove the necessary frame linings and the insulation, to get access to the inner surfaces of the inspection areas (Ref. TASK 25-23-45-000-003) and (Ref. TASK 25-23-45-000-004).
Subtask 53-41-00-860-058
B. Preparation of the Inspection Areas
(Ref. Fig. 618/TASK 53-41-00-991-021)
(1) Make sure that the inner and outer surfaces of the inspection areas are clean and smooth.
WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE
_______ THIS/THESE MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES, GOGGLES AND A MASK.
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CES WARNING : MAKE SURE THAT THERE IS A GOOD FLOW OF AIR THROUGH THE WORK
_______ AREA WHEN YOU USE SPECIAL MATERIALS. IF YOU GET ONE OF THESE MATERIALS ON YOUR SKIN, IN YOUR MOUTH OR IN YOUR EYES : -FLUSH IT AWAY WITH A FLOW OF CLEAN WATER FOR BETWEEN 10 AND 15 MINUTES. -GET IMMEDIATE MEDICAL AID IF IRRITATION OCCURS. DO NOT BREATHE THE FUMES FROM THE MATERIAL. DO NOT SMOKE WHEN YOU USE THE MATERIAL. DO NOT USE THE MATERIAL NEAR A FLAME, SPARKS OR SOURCES OF HEAT. THESE MATERIALS ARE DANGEROUS : THEY ARE POISONOUS, FLAMMABLE AND SKIN IRRITANTS.
(2)
Clean the inner and outer surfaces of the inspection areas with the CLEANING AGENTS (Material No. 11-004) and a MISCELLANEOUS (Material No. 19-003).
(3)
Make sure you remove:
-
the used sealant from the outer surface of the inspection areas
-
the unwanted material from the inner surface of the inspection areas.
(4)
Make the inner and outer surfaces of the inspection areas smooth with the abrasive cloth, grade 280.
(5)
Make sure you remove the damaged paint and the paint runs from the surfaces.
(6)
Make sure the inspection areas are clean and dry before you continue.
(7)
Do a visual inspection of the inner and outer surfaces of the inspection areas. Look for damage, corrosion, and defects in the shape of the surfaces.
(8)
If you find damage :
(a)
Refer to the ASRM (Ref. ASRM 51-11-00-001) for the classification of the damage.
(b)
If you find corrosion damage:
-
refer to the ASRM (Ref. ASRM 51-22-00-001) for the general corrosion data
-
refer to the ASRM (Ref. ASRM 51-74-00-001) for the repair of the corroded areas.
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CES (c) If you find other types of damage:
-refer to the ASRM (Ref. ASRM 53-41-11-101) for the necessary data.
4. Procedure
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(Ref. Fig. 618/TASK 53-41-00-991-021)
Subtask 53-41-00-220-054
A. Special Detailed Inspection Procedure
(1)
Do a special detailed inspection of the inner doublers at the lower corners of the cutout for the AFT passenger/crew door, LH/RH. Do this on the areas of the doublers which agree with the shape of the forward and aft scuff plates (Ref. NTM 534133-Part.2).
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