OUTSIDE OF THE SEATING SURFACE OF THE OGV
OGV INNER SHROUD S-M56-MM-1031-(1)-00-B
Fan Frame Inspection
Figure 601 (Sheet 2)
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FAN FRAME INSPECTION
____________________
(d)
Scales or pits are not serviceable.
(e)
Look for oil leakage where the radial drive shaft goes into the fan frame. 1) It is not permitted to have oil leakage. 2) A maximum service extension of 10 hours is permitted after
the inspection (AMM 72-62-02/601).
S 846-051-C00
(3) Do the procedure to put the airplane back to its usual condition.
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FAN INLET CASE INSPECTION
_________________________
TASK 72-33-00-216-011-C00
4. Fan Inlet Case Inspection
_________________________
A. Access
(1) Location Zones
506 No. 1 Engine
606 No. 2 Engine
B. Make an Inspection of the Fan Inlet Case (Fig. 601)
S 846-012-C00
(1)
If not already done, do the procedure to prepare for the inspection.
S 216-016-C00
(2)
Examine the fan inlet case for the damage as follows:
(a) Cracks on the fan inlet case:
1) Not more than one crack is permitted at a bolt hole for an acoustical panel or an OGV if it is not more than 0.08 inch
(2.0 mm) in length and there is a separation of a minimum
of 3 bolts holes without cracks in a circumferential
direction.
a) Cracks in other areas are not permitted.
2) A maximum service extension of 10 cycles or 25 hours is permitted for the cracks in all areas if the cracks are not more than 0.16 inch (4.0 mm) and are not less than 1.0 inch
(25.0 mm) from other cracks.
(b) Nicks and scratches on the fan inlet case
1) There is no maximum number of nicks and scratches if these limits are obeyed: a) The nicks and scratches are not more than 0.10 inch
(2.5 mm) in depth.
b) The nicks and scratches have a minimum separation of 1 inch (25 mm) from other damage after all burrs are removed.
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FAN INLET CASE INSPECTION
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c) You do not see indications of cracks. 2) A maximum service extension of 10 cycles or 25 hours is permitted with no maximum number of nicks or scratches.
(c) There is no maximum number of dents with a smooth contour not more than 0.20 inch (5.0 mm) in depth.
S 846-017-C00
(3) Do the procedure to put the airplane back to its usual condition.
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