**ON A/C 001-049, 051-099, 101-149, 201-299,
53-31-00-991-033 Fig. 624
R **ON A/C 151-199, 401-499,
53-31-00-991-033-A Fig. 624A
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
3. Job Set-up
__________
Subtask 53-31-00-861-057
A. Energize the ground service network
(Ref. TASK 24-42-00-861-001).
**ON A/C 001-049, 051-099, 101-149, 201-299,
Subtask 53-31-00-010-086
B. Get Access
(1)
Remove the sidewall linings 241CW, 241LW, 242CW, 242LW (Ref. TASK 25-23-47-000-001).
(2)
Remove the cove light panels above the emergency exits (Ref. TASK 25-23-48-000-001).
R EFF : 001-049, 051-099, 101-149, 151-199, 53-31-00Page A610 201-299, 401-499, Aug 01/05
CES
(3)
Remove the riser duct and the cabin air outlet assembly from both sides of the cabin, between FR37 and FR41 (Ref. TASK 21-20-00-010-001).
(4)
Remove the necessary insulation blankets from the inspection area (Ref. TASK 25-80-00-000-001).
R **ON A/C 151-199, 401-499,
Subtask 53-31-00-010-086-A
B. Get Access
(1)
Remove the sidewall linings 241FW, 242FW (Ref. TASK 25-23-47-000-001).
(2)
Remove the cove light panels above the emergency exits (Ref. TASK 25-23-48-000-001).
(3)
Remove the riser duct and the cabin air outlet assembly from both sides of the cabin, between FR40 and FR41 (Ref. TASK 21-20-00-010-001).
(4)
Remove the necessary insulation blankets from the inspection area (Ref. TASK 25-80-00-000-001).
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 53-31-00-110-078
C. Cleaning Procedure WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THIS/THESE
_______ MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES, GOGGLES AND A MASK.
R EFF : 001-049, 051-099, 101-149, 151-199, 53-31-00Page A611 201-299, 401-499, Aug 01/05
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.
(1) Clean the inspection area with CLEANING AGENTS (Material No. 11-004) and a lint free cloth, if necessary. Make sure the area is dry before you continue.
4. Procedure
_________
**ON A/C 001-049, 051-099, 101-149, 201-299,
Subtask 53-31-00-210-076
A. Detailed Visual Inspection Procedure
(Ref. Fig. 624/TASK 53-31-00-991-033)
(1) Do a detailed visual inspection of the frame flanges at FR38, FR39, FR40 and FR41, between stringer 12 and stringer21, and the longitudinal beam flange at stringer20A, between FR38 and FR39, and between FR40 and FR41, LH and RH, for cracks.
NOTE : If required, for information on repair procedures for cracks,
____ refer to the ASRM frames (Ref. ASRM 53-00-12-201).
R EFF : 001-049, 051-099, 101-149, 151-199, 53-31-00Page A612 201-299, 401-499, Aug 01/05
CES
Frame Flanges at FR38 thru FR41, between STGR12 and STGR21, and Longitudinal Beam Flange at STGR20A, between FR38 and FR39, and between FR40 and FR41, LH/RH Figure 624/TASK 53-31-00-991-033
CES
R **ON A/C 151-199, 401-499,
Subtask 53-31-00-210-076-A
A. Detailed Visual Inspection Procedure
(Ref. Fig. 624A/TASK 53-31-00-991-033-A)
(1) Do a detailed visual inspection of the frame flanges at FR40 and FR41, between stringer 12 and stringer 21, and the longitudinal beam flange at stringer 20A between FR40 and FR41, LH and RH, for cracks.
NOTE : If required, for information on repair procedures for cracks,
____ refer to the ASRM frames (Ref. ASRM 53-00-12-201).
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
5. Close-up
________
**ON A/C 001-049, 051-099, 101-149, 201-299,
Subtask 53-31-00-410-084
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
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