# AD 46-04-02: Carburetor Float Needle

- Type: Airworthiness directive
- Status: Current
- Products: Superior LCA
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 27 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FF3E1BFFDCC18FF586256A560066DC93.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/46-04-02

## The airworthiness directive

46-04-02 CULVER: (Was Service Note 6 of AD-730-2.) Applies Only to Model LCA Having Stromberg Model NA-S3A1 Carburetors Installed.

When inspecting or replacing carburetor float needle or needle seat, a check should be made to assure that when a rubber tipped needle is used, a seat having rounded edges is installed. Sharp-edged seats, when used with a rubber tipped needle, will cause sticking and cutting of the rubber tip.

(This matter is also covered by Continental Service Bulletin No. M45-6 dated May 25, 1945, and Stromberg Aircraft Carburetor Service Bulletin No. 71.)

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-730](https://openairdocs.org/tcds/A-730): Superior Aircraft Company; names 1 of 2 models: LCA

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 27 (27 by airframe model, 0 by engine model)
- Makers: Culver 27

Models with the most aircraft:

- [Culver LCA](https://openairdocs.org/model/culver-lca): 27 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/46-04-02/models.md
Every aircraft: https://openairdocs.org/ad/46-04-02/aircraft.md

Its text cites no advisory circulars or STCs.

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