C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 54-51-21-000-001 Removal of the Pylon Lateral Access-Doors R 54-51-21-400-001 Installation of the Pylon Lateral Access-Doors R
78-30-00-081-041 Make the Thrust Reverser Serviceable after
Maintenance
78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance
NTM 545162-P.Block-901
SRM 511100,P.Block 001 (for corrective action)
SRM 512200,P.Block 001 (for corrective action)
54-51-00-991-061 Fig. 625
3. Job Set-up
__________
Subtask 54-51-00-941-074
A. Safety Precautions
(1)
On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine.
(2)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3)
On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a warning notice to tell persons not to energize the FADEC. Subtask 54-51-00-010-075
B. Get Access
(1) Put an access platform in position:
(a)
At zone 410 for the left pylon.
(b)
At zone 420 for the right pylon.
R (2) Remove the pylon lateral access-doors (Ref. TASK 54-51-21-000-001):
(a)
For the left pylon: 415AL, 415AR, 415BL, 415BR.
(b)
For the right pylon: 425AL, 425AR, 425BL, 425BR.
Subtask 54-51-00-040-069
C. Aircraft Maintenance Configuration
(1) Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 54-51-00-110-075
D. Preparation of the Inspection Area
(Ref. Fig. 625/TASK 54-51-00-991-061)
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.
WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THIS/THESE
_______ MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES, GOGGLES AND A MASK.
(1)
Clean the inspection area with CLEANING AGENTS (Material No. 11-004) and MISCELLANEOUS (Material No. 19-003), if necessary.
(2)
Make sure that the surface of the inspection area is clean and smooth.
(3)
Do a check of the inspection area for damage or discontinuities.
(4)
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 of corrosion, inspection, removal and corrosion protection.
Pylon Upper Spar, Lower Surface Between RIB1 and RIB2, RIB3 and RIB4, RIB8 and RIB10 - Inspection Areas R Figure 625/TASK 54-51-00-991-061
(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.
4. Procedure
_________
Subtask 54-51-00-250-053
A. Inspection
(Ref. Fig. 625/TASK 54-51-00-991-061)
(1)
Do a special detailed inspection of the lower surface at the upper spar of the pylon between RIB1 and RIB2, RIB3 and RIB4, RIB8 and RIB10. Refer to the Non-destructive Testing Manual (Ref. NTM 545162-P.Block-901).
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