-determine the extent of the damaged area (Ref. SRM 52-30-00),
-remove the damage when it is less than the limit (Ref. SRM 51-73-00).
-When the scratch is outside the limit, repair the affected component (Ref. SRM 52-30-00).
(b)
If you find a dent,
-determine the extent of the damaged area (Ref. SRM 52-30-00),
-remove the damage when it is less than the limit (Ref. SRM 52-73-00).
-When the dent is outside the limit, repair the affected component (Ref. SRM 52-30-00).
(c)
If you find corrosion,
-determine the extent of the corroded area (Ref. SRM 52-30-00),
-remove the damage when it is less than the limit (Ref. SRM 51-74-00).
-When the corroded area is outside the limit, repair the affected component (Ref. SRM 52-30-00).
R **ON A/C 001-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
Subtask 52-31-11-210-057-A
C. General Inspection of the Internal Structure of the Cargo Door
(1) Examine all rivets of the cargo door structure.
(a)
If you find an empty rivet hole, install the rivet with correct sealant.
(b)
If you find damaged or loose rivets, replace them.
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(2) Examine the sealant of all structure components for the correct condition. If necessary, replace the sealant (Ref. TASK 51-76-11-300-001).
(3) Make sure that all screws and bolts of the internal structure of the cargo door are correctly tightened and not damaged.
(4) Examine the water drain valves and drain holes of the cargo door to make sure that they are clean and free.
(5) Make sure that the paint coats of the structural components are in the correct condition (Ref. TASK 51-75-12-300-001).
R **ON A/C 051-052,
R Subtask 52-31-11-210-057
R C. General Inspection of the Internal Structure of the Cargo Door
R (1) Examine all rivets of the cargo door structure.
R R (a) If you find an empty rivet hole, install the rivet with correct sealant.
R (b) If you find damaged or loose rivets, replace them.
R R R (2) Examine the sealant of all structure components for the correct condition. If necessary, replace the sealant (Ref. TASK 51-76-11-300-001).
R R (3) Make sure that all screws and bolts of the internal structure of the cargo door are correctly tightened and not damaged.
R R (4) Examine the water drain valves and drain holes of the cargo door to make sure that they are clean and free.
R R (5) Make sure that the paint coats of the structural components are in the correct condition (Ref. TASK 51-75-12-300-001).
R R (6) Examine the condition and the attachment of the bonding jumpers (Ref. TASK 20-28-00-912-001).
R R (7) If you find damaged bonding jumper(s) between the cargo door and the upper fuselage proceed as follows:
R R (a) Remove the bonding jumper(s) from the cargo door and the fuselage.
R R R (b) Clean and paint the contact areas of the bonding jumper(s) at the cargo door and the fuselage as required (Ref. TASK 52-31-11-100-001).
R R (c) Install the bolts and washers with SEALANTS (Material No. 09-013) into the cargo door and the upper fuselage.
R **ON A/C ALL
Subtask 52-31-11-916-050
D. Application of Temporary Protection
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) Cover the equipment and fittings adjacent to the area with masking paper or masking tape, if necessary.
(2) Apply a layer of STORAGE PRESERVATION (Material No. 15-005) or STORAGE PRESERVATION (Material No. 15-006) to the inspection area of the inner skin.
(3) Apply a layer of STORAGE PRESERVATION (Material No. 15-007) or STORAGE PRESERVATION (Material No. 15-008) to the lateral edge member.
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