# AD 62-08-02: Fuel Line Modification

- Type: Airworthiness directive
- Status: Current
- Products: Twin Commander 520 and 560
- Effective: April 11, 1962
- Published: April 11, 1962
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 14 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/84B5345BE8C1695686256A38005C6A8B.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/62-08-02

## The airworthiness directive

62-08-02 AERO COMMANDER: Amdt. 418 Part 507 Federal Register April 11, 1962. Applies to Models 520 and 560 Aircraft With Serial Numbers 1 Through 230.

Compliance required within the next 25 hours' time in service after the effective date of this directive.

As a result of reported cases of fluid line chafing in the wing trailing edge area and fuel leakage in the aft fuselage and electronic equipment area, the following corrective action is required:

  (a) Replace the fuel system aluminum drain tubing with flexible hose assemblies in accordance with Aero Commander Service Bulletin No. 77 dated March 16, 1962, or FAA approved equivalent.

  (b) Modify the wing trailing edge between wing Stations 24.00 and 59.00 in accordance with Aero Commander Service Bulletin No. 79 dated March 16, 1962, or FAA approved equivalent.

This directive effective April 11, 1962.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 6A1](https://openairdocs.org/tcds/6A1): Twin Commander Aircraft LLC; names 2 of 9 models: 520, 560

## 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: 14 (14 by airframe model, 0 by engine model)
- Makers: Aero Commander 14

Models with the most aircraft:

- [Aero Commander 520](https://openairdocs.org/model/aero-commander-520): 12 aircraft (airframe model)
- [Aero Commander 560](https://openairdocs.org/model/aero-commander-560): 2 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/62-08-02/models.md
Every aircraft: https://openairdocs.org/ad/62-08-02/aircraft.md

Its text cites no advisory circulars or STCs.

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