AD 2015-22-53
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Model AS350B3 | Airworthiness Directives; Airbus Helicopters |
Unsafe Condition
Loss of tail rotor (T/R) control during takeoff due to takeoffs without hydraulic T/R assistance caused by a lack of pressure in the T/R hydraulic system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the rotorcraft flight manual (RFM) to stop performing the yaw load compensator check (ACCU TST switch) during preflight procedures and instead perform it during post-flight procedures after rotor shut-down. Also, revise the RFM to state that the yaw servo hydraulic switch (collective switch) must be in the 'ON' (forward) position before taking off.
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
Airbus Helicopters Model AS350B3 helicopters with a dual hydraulic system installed, specifically those equipped with modification OP 3082 or OP 3346.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.