Finished cutting out center of Spinner Plate. Deburred, cleaned and primed with Napa 7220 self-etching primer. Riveted Doubler to Plate per Sect 44-02. Deburred and primed S-603 Front Spinner Bulkhead.
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| nearly done cutting out center of Plate |
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| mostly done deburring....ready to prime, then rivet |
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| Riveted. Decided to leave doubler "as-is" with pure alum coating for corrosion protection |