AD 62-08-01

Airworthiness directive · Fuel Pressure Gauge Drain Line · Twin Commander 680-F and 720

Effective
April 10, 1962
Published
April 10, 1962
Models
680-F, 720
Data sheet
TCDS2A4
Registered aircraft
12 matched by model
Product
Aircraft · Small airplane

Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.

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The airworthiness directive

62-08-01 AERO COMMANDER: Amdt. 415 Part 507 Federal Register April 10, 1962. Applies to All Models With Serial Numbers 1 Through 1170, Except Serial Numbers 1133, 1153, 1156, 1162, Models 720, and Pressurized Versions of Model 680F.

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

It has been found that fuel and fuel fumes are released within the cockpit area behind the instrument panel, through the fuel pressure gage case vent as a result of gage diaphragm rupture. Accordingly, a fuel drain line shall be installed leading from the fuel pressure gage vent connection and routed overboard through the belly of the aircraft in accordance with Aero Commander Service Bulletin No. 78 dated March 16, 1962, or an FAA approved equivalent.

This directive effective April 10, 1962.

Affected TCDS · 1

The type certificate data sheets for the models this AD names, matched by model and maker.

Registered aircraft · 12

Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.

By aircraft maker
  • Aero Commander12 aircraft
By year built
19601965
Registered aircraft by year built: 8 aircraft
19601
19612
19622
19632
19651

4 with no year recorded

By model

Aircraft