(2)  
Do the Phase 1 inspection before the next flight.

(3)  
Do the Phase 2 inspection if you find damage during the Phase 1 inspection or the engine broke away.

NOTE: The Phase 2 inspection is not necessary if:
–
No damage is found in the Phase 1 inspection.

–
The engine did not break away.

C.  Repairs and Replacements
(1)  
When this procedure tells you to "examine" a part, remove (if necessary) and look for these conditions:

–  
structure that pulled apart

–  
loose paint (paint flakes)

–  
twisted parts (distortion)

–  
bent parts

–  
fastener holes that became larger or longer

–  
loose fasteners

–  
missing fasteners (fasteners that have pulled out or are gone)

–  
delaminations (a lamination with one or more layers pulled apart)

–  
parts that are not aligned correctly

–
interference (clearance that is not sufficient between two parts) – other signs of damage

(2)  
Replace or repair the components that have one or more of the conditions given above.

(3)  
If fasteners are removed, replace with new fasteners.

2.  Phase 1 Inspection
A.  Engine and Nacelle Inspection
(1)  
Examine the fairings.

(2)  
Examine the nacelle cowlings.

(3)  
If internal engine damage is possible, refer to Chapter 72, for Engine approved limits and maintenance procedures.

500 
Jun 20/93  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  5-51-62 Page 201 

B.  Thrust Reverser Inspection
(1)  
Remove the fairings for the thrust reverser actuators.

(2)  
Examine the fairings and deflector doors.

(3)  
Examine all parts that connect to the deflector doors.

(4)  
Examine the tailpipe and the attachments on the tailpipe extension.

NOTE: The Phase 2 inspection is not necessary if:
–
No damage is found in the above Phase 1 inspection.

–
The engine did not break away.

3.  Phase 2 Inspection
A.  Engine
(1)  Remove the engine (Ref 71-00-00/401).
B.  Engine Mount Inspection (Fig. 201)
(1)  
Remove and examine the bolt (1) that attaches the support fitting of the engine forward mount to the clevis fitting (installed on the wing lower surface of the inboard side of the engine).

(2)  
Examine the clevis fitting (2).

(3)  
Remove and examine the bolt (3) that attaches the support fitting of the engine forward mount to the swinging link (outboard side of the engine).

(4)  
Remove and examine the bolt (4) that attaches the swinging link to the bracket installed on the wing front spar.

(5)  
Examine the swinging link (5).

(6)  
Examine the bracket (6) installed on the wing front spar.

(7)  
Remove and examine the two forward (7) and one aft (8) cone bolts.

(8)  
Remove and examine the bolt (9) that attaches the engine aft mount to the flap track.

(9)  
Examine the housing of the vibration isolator (10) for the aft cone bolt.

(10)
Examine the two engine mount rings (forward (11) and aft (12)) adjacent to the cone bolts.

(11)
Remove and examine the four thrust link bolts (13).

C.  Wing Inspection
(1)  
Examine the front spar and wing surface near the forward engine mount connections.

(2)  
Examine the thrust link fittings (14) that connect the two thrust links to the wing lower surface.

(3)  
Examine the wing surface near the thrust link connections.

(4)  
Look for signs of fuel leaks adjacent to all connections to the wing.

500 
5-51-62 Page 202  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Jun 20/93 

G53200 B83466
500  Engine Mount and Cone Bolt Installation 
Jun 20/93  Figure 201 (Sheet 1)  5-51-62 
Page 203 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

Engine Mount and Cone Bolt Installation  500 
5-51-62  Figure 201 (Sheet 2)  Feb 01/95 
　
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