AD 98-21-26

final rule
Data completeness: 70%

Airworthiness Directives; Mooney Aircraft Corporation Models M20J, M20K, M20M, and M20R Airplanes

AD Number
98-21-26
Status
final_rule
Effective Date
Product Category
aircraft
Docket
98-CE-47-AD
FR Citation
Federal Register: October 15, 1998 (Volume 63, Number 199)

Applicability

TypeManufacturerModelDetails
aircraft Mooney Aviation Company Inc M20J Airworthiness Directives; Mooney Aircraft Corporation Models M20J, M20K, M20M, and M20R Airplanes
aircraft Mooney Aviation Company Inc M20K Airworthiness Directives; Mooney Aircraft Corporation Models M20J, M20K, M20M, and M20R Airplanes
aircraft Mooney Aviation Company Inc M20M Airworthiness Directives; Mooney Aircraft Corporation Models M20J, M20K, M20M, and M20R Airplanes
aircraft Mooney Aviation Company Inc M20R Airworthiness Directives; Mooney Aircraft Corporation Models M20J, M20K, M20M, and M20R Airplanes

Unsafe Condition

Cracking of the main landing gear (MLG) leg bracket, part number 510010, caused by laser pattern cutting during manufacturing, which could propagate over time and result in MLG side brace bolt failure.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Grind the surface of the MLG leg bracket (P/N 510010), inspect the area for cracks, and replace any cracked bracket with a new one prior to further flight.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within the next 100 hours time-in-service (TIS) after the effective date of this AD

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Mooney Aircraft Corporation Models M20J (serials 24-3415 and 24-3416), M20K (serials 25-2018 through 25-2021), M20M (serial 27-0241), and M20R (serials 29-0135 through 29-0138)

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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