Airworthiness Directives

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47-47-12 REPUBLIC: (Was Mandatory Note 12 of AD-769-2.) Applies to RC-3 Aircraft Serial Numbers 5 Through 1035 Inclusive Except the Following Which Have Been Modified at the Factory: 767, 915, 948, 949, 957, 959 Through 999 Inclusive, 1004 Through 1010 Inclusive, 1014, 1019 Through 1025 Inclusive. Serial 1036 and up Have Been Modified at the Factory Prior to Delivery.

Compliance required not later than December 31, 1947.

To prevent excessive drop-off in engine r.p.m. when carburetor heat is used, anti-swirl vanes, Republic P/N 17P 68014-20 must be installed in the air duct below the carburetor.

(Republic Seabee Service Bulletin No. 18 dated August 26, 1947, covers this same subject.)


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