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Airworthiness Directive

AD 98-08-25 63 FR 19387 Superseded

Federal Aviation Administration · 14 CFR part 39

Requires replacing the nose landing gear (NLG) drag link bolt with one that has been manufactured with the proper heat-treatment.

Revised by AD 98-08-25 R1Federal Register (opens in a new tab)FAA DRS (opens in a new tab)

FR document
98-10178
Amendment
39-10474
Published
1998-04-20
Effective
1998-05-18
Models covered
1

Last live check: 2026-08-19

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AD

98-08-25

FR doc 98-10178 · 63 FR 19387

AD 98-08-25Published 1998-04-20Effective 1998-05-18

Revised by 98-08-25 R1 Supersedes 96-12-08

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 replacing the nose landing gear (NLG) drag link bolt with one that has been manufactured with the proper heat-treatment.

Full official abstract

This amendment supersedes Airworthiness Directive (AD) 96-12- 08 on certain Twin Commander Aircraft Corporation (Twin Commander) 500, 680, 690, and 695 series airplanes, which currently requires replacing the nose landing gear (NLG) drag link bolt with one that has been manufactured with the proper heat-treatment. This action will retain the requirements of AD 96-12-08, add an additional model and additional serial numbers to the applicability section of the AD, and require replacing bolt part number (P/N) ED10055 with bolt P/N 750076-1 on certain Models 690D and 695A airplanes. This action is prompted by a defective manufacture of a certain lot of drag link bolts used in the NLG. The actions specified by this AD are intended to prevent the NLG from collapsing caused by a failed drag link bolt, which could result in loss of control of the airplane during landing operations.

More directives for Twin Commander (Aero Commander)

  1. AD 2013-09-05 Airworthiness Directives; Twin Commander Aircraft LLC Airplanes Effective 2013-05-29
  2. AD 2009-25-02 Airworthiness Directives; Twin Commander Aircraft LLC Models 690, 690A, ... Effective 2010-01-08
  3. AD 2006-15-01 Airworthiness Directives; Twin Commander Aircraft Corporation Models 690... Effective 2006-08-21
  4. AD 2003-07-03 Airworthiness Directives; Twin Commander Aircraft Corporation Models 690... Effective 2003-05-16
  5. AD 2000-02-30 Airworthiness Directives; Twin Commander Aircraft Corporation 600 Series... Effective 2000-03-24

All Twin Commander (Aero Commander) directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 1 model in our index