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Airworthiness Directive

AD 2006-08-01 71 FR 17983 Active

Federal Aviation Administration · 14 CFR part 39

Requires repetitively inspecting the propeller bearing and upper pulley wheel for increased play and, if increased play is found, modifying the propeller bearing and pulley wheel.

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FR document
06-3351
Amendment
39-14554
Published
2006-04-10
Effective
2006-05-09
Models covered
1

Last live check: 2026-08-19

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AD

2006-08-01

FR doc 06-3351 · 71 FR 17983

AD 2006-08-01Published 2006-04-10Effective 2006-05-09

Supersedes 97-24-09

Supersedence is read from the Federal Register text of the newer AD — the FAA publishes no structured field for it — and names only ADs held in our index.

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires repetitively inspecting the propeller bearing and upper pulley wheel for increased play and, if increased play is found, modifying the propeller bearing and pulley wheel.

Full official abstract

The FAA adopts a new airworthiness directive (AD) that supersedes AD 97-24-09, which applies to certain BURKHART GROB LUFT- UND-RAUMFAHRT GmbH & Co. KG (Grob) Model G 103 C Twin III SL sailplanes. AD 97-24-09 currently requires repetitively inspecting the propeller bearing and upper pulley wheel for increased play and, if increased play is found, modifying the propeller bearing and pulley wheel. This AD results from mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for Germany. Consequently, this AD requires you to modify the propeller bearing and upper pulley wheel by installing a new securing plate and tightening the grooved nut to the new torque values. We are issuing this AD to prevent loss of the sailplane propeller caused by increased play in the current design propeller bearing and upper pulley wheel. This could result in loss of control of the sailplane.

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Applies to 1 model in our index