Disassembling and inspection
1. Remove rubber seal.
2. Remove top cowling muffle cover screw and rubber underlay.
3. Remove top cowling muffle cover.
4. Remove locking hook and pothook.
5. Inspect top cowling for crack or damage. Replace if necessary.
6. Inspect rubber seal for crack or damage. Replace if necessary.
7. Inspect top cowling muffle cover for crack or damage. Replace if necessary.
8. Inspect lock hook and pothook for crack, deform or damage. Replace if necessary.
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