AD 99-14-02

final rule
Data completeness: 70%

Airworthiness Directives; LET Aeronautical Works Model L33 SOLO Sailplanes

AD Number
99-14-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
98-CE-120-AD
FR Citation
Federal Register: June 28, 1999 (Volume 64, Number 123)

Applicability

TypeManufacturerModelDetails
aircraft BLANIK LIMITED L33 SOLO Airworthiness Directives; LET Aeronautical Works Model L33 SOLO Sailplanes

Unsafe Condition

Structural failure of the wing attachments caused by the current design configuration, which could result in the wing separating from the sailplane with consequent loss of control.

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

Required Actions

Replace the main wing attachment and wing spar root pins and modify the corresponding area in accordance with LET Mandatory Bulletin Number L33/008a. Compliance is required within the next 100 hours time-in-service after the effective date or upon accumulating 1,500 hours time-in-service on each wing attachment, whichever occurs later.

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 after the effective date or upon accumulating 1,500 hours time-in-service on each wing attachment, whichever occurs later.

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

Affected Aircraft

LET Aeronautical Works Model L33 SOLO sailplanes with serial numbers 930101 through 930205; 940206 through 940308; 940310 through 940316; 950318 through 950401; 960402 through 960404; 950405, 950406; 960407, 960408, and 960410.

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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