# AD 70-01-02: Fuel Quantity Transmitter Float

- Type: Airworthiness directive
- Status: Current
- Products: Cessna 177 and 177A
- Effective: January 3, 1970
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-906
- Registered aircraft: 527 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/03DBE2F3D17346F286256A1C00749DA4.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/70-01-02

## The airworthiness directive

70-01-02 CESSNA: Amdt. 39-906. Applies to Models 177 and 177A, Serial Numbers 177- 00001 thru 177-01160, 177-01165 thru 177-01168, 177-01171, 177-01174 thru 177-01178 and 177-01180, airplanes.

Compliance: Required as indicated, unless already accomplished.

To prevent possible damage to the fuel quantity transmitter float arm during refueling, which can result in inaccurate quantity indication, accomplish the following:

Within 50 hours' time in service after the effective date of this AD but no later than March 1, 1970, remove the fuel quantity transmitter from each fuel tank and install new Cessna P/N 12341-667-1 and 12341-667-2 fuel gauge transmitters in accordance with the instructions contained in Cessna Service Letter No. SE69-25. dated December 9, 1969, or any other method approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.

This amendment becomes effective January 3, 1970.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A13CE](https://openairdocs.org/tcds/A13CE): Textron Aviation Inc.; names 2 of 3 models: 177, 177A

## 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: 527 (527 by airframe model, 0 by engine model)
- Makers: Cessna 527

Models with the most aircraft:

- [Cessna 177](https://openairdocs.org/model/cessna-177): 446 aircraft (airframe model)
- [Cessna 177A](https://openairdocs.org/model/cessna-177a): 81 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/70-01-02/models.md
Every aircraft: https://openairdocs.org/ad/70-01-02/aircraft.md

Its text cites no advisory circulars or STCs.

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