-
Zone 2 : Repair this damage before 6000 flights
-
Zone 3 : Repair this damage before 100 flights
-
Zone 4 : Repair this damage before 50 flights limit A for the pressure relief door limit B for all the other skins
-
Zone 5 : Return to repair.
(b) For dents and holes:
1_ The depth of dents must not be more than 2% of the minimum
width. Maximum depth is 2 mm (0.0787 in.) and maximum area is
10 cm2 (1.55 in.2). If the dent is located near a stiffener,
make sure that there are no cracks.
2_ Holes are not permitted.
5. Close-up________
Subtask 54-52-00-440-050
A. Aircraft Maintenance Configuration
(1) Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
Cracks, Nicks and Scores in the Forward Fairings
Figure 601/TASK 54-52-00-991-001
1EFF : ALL 1 54-52-00 Page 604
1 1 Feb 01/98
1 1
1CES 1
Subtask 54-52-00-942-050
B. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the access platform(s).
(3)
Remove the warning notice(s).
FORWARD FAIRING - REPAIRS
_________________________
TASK 54-52-00-300-001
Repair of the CAF4 Sealant in the Pylon Cantilever Zone "A"
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
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. Reason for the Job
__________________
To repair the sealant that has contamination by kerozene or skydrol in the pylon cantilever zone "A".
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific warning notice
No specific access platform 1.7 m (5 ft. 7 in.)
B. Consumable Materials
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
Material No. 08-004 USA MIL-A-25457 ADHESIVE SEALANT (Ref. 20-31-00) Material No. 11-008 (USE 11-008A) (Ref. 20-31-00) Material No. 11-026 GB DEF-STAN 68-148/1 R SOLVENT GENERAL PURPOSE (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
78-30-00-081-041 Make the Thrust Reverser Serviceable after
Maintenance
78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance
54-52-00-991-002 Fig. 801
3. Job Set-up
__________
Subtask 54-52-00-941-052
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 1(2).
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