AD 98-09-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | GV | Airworthiness Directives; Gulfstream Model GV Series Airplanes |
Unsafe Condition
Incorrect matching of electrical connectors to the hydraulic deactivation valves of the elevator Hardover Prevention System (HOPS) could result in the system shutting down the wrong side of the hydraulic servo, preventing correct operation and leading to loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 25 flight hours after the effective date, inspect the elevator HOPS connectors for correct wiring per Gulfstream Alert Customer Bulletin No. 3. If discrepancies are found, re-connect the wiring before further flight. Later, modify the HOPS wiring per GV Customer Bulletin No. 4 to prevent future miswiring.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 25 flight hours after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Model GV series airplanes, serial numbers 501 and 504 through 540 inclusive
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.