AD 2001-08-13

final rule
Data completeness: 70%

Airworthiness Directives; Gulfstream Model G-1159, G-1159A, G-1159B, G-IV, and G-V Series Airplanes

AD Number
2001-08-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2001-NM-83-AD
FR Citation
66 FR 20734

Applicability

TypeManufacturerModelDetails
aircraft Gulfstream G-1159 Airworthiness Directives; Gulfstream Model G-1159, G-1159A, G-1159B, G-IV, and G-V Series Airplanes

Unsafe Condition

Failure of the door control valve of the landing gear, specifically Gulfstream part number 1159SCH231-33 with Eaton/Sterer part number 65940-1, which can result in ejection of the spool and sleeve assembly and complete loss of hydraulic system fluid.

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

Required Actions

Inspect to determine if door control valves with part number 1159SCH231-33 and Eaton/Sterer part number 65940-1 are installed. Modify the valve by installing a new improved set screw with a pressure relief hole, filling with Dow Corning RTV 732 sealant, and labeling the valve as part number 65940-1 Rev. C.

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

Compliance Time

Before further flight

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

Affected Aircraft

Gulfstream Model G-1159, G-1159A, G-1159B, G-IV, and G-V series airplanes equipped with door control valves having Gulfstream part number 1159SCH231-33 and Eaton/Sterer part number 65940-1.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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