Airworthiness Directive

AD 98-23-10 63 FR 63137 Active

Federal Aviation Administration · 14 CFR part 39

Requires inspecting the engine mounting frame for paint scratches and damage (abrasions, notches, or chafing); and repairing any paint scratches, and repairing or replacing any engine mounting frame that is found damaged.

FR document
98-30048
Amendment
39-10876
Published
1998-11-12
Effective
1998-12-17
Models covered
1

Last live check: 2026-08-19

This page is a reference Record, not an airworthiness or compliance determination. Official FAA and manufacturer sources control over our restatement, subject to governing law. Check applicability, current requirements and incorporated documents before acting. The owner or operator remains responsible for airworthiness and required records under 14 CFR 91.403 and 91.417, as applicable. Terms of Use: /terms.
AD

98-23-10

FR doc 98-30048 · 63 FR 63137

AD 98-23-10Published 1998-11-12Effective 1998-12-17

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 inspecting the engine mounting frame for paint scratches and damage (abrasions, notches, or chafing); and repairing any paint scratches, and repairing or replacing any engine mounting frame that is found damaged.

Full official abstract

This amendment adopts a new airworthiness directive (AD) that applies to all Burkhart GROB Luft-und Raumfahrt GmbH (Grob) Model G 109B gliders. This AD requires inspecting the engine mounting frame for paint scratches and damage (abrasions, notches, or chafing); and repairing any paint scratches, and repairing or replacing any engine mounting frame that is found damaged. This AD is the result of mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for Germany. The actions specified by this AD are intended to detect and correct damage to the engine mounting frame, which could result in failure of the engine mount structure with consequent loss of the engine.

More directives for Grob

  1. AD 2025-20-07 Airworthiness Directives; Fiberglas-Technik Rudolf Lindner GmbH & Co. KG... Effective 2025-10-17
  2. AD 2022-05-14 Airworthiness Directives; GROB Aircraft SE (Type Certificate Previously ... Effective 2022-03-24
  3. AD 2022-03-08 Airworthiness Directives; Fiberglas-Technik Rudolf Lindner GmbH & Co. KG... Effective 2022-03-17
  4. AD 2017-08-12 Airworthiness Directives; GROB Aircraft AG Gliders Effective 2017-05-31
  5. AD 2016-12-08 Airworthiness Directives; GROB Aircraft AG Airplanes Effective 2016-07-20

All Grob directives

Applies to 1 model in our index