AD 2017-22-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter France | Various | Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) |
| aircraft | Airbus | Various | Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) |
Unsafe Condition
Hydraulic pump drive belt failure caused by bearing seizures, specifically due to accidental indentation of the raceways from incorrect fitting of bearing part number 704A33651243.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the hydraulic pump drive pulley bearing for leaks, rust, overheating, and condition. Grease the bearing and inspect for bronze particles in the grease. Change the inspection intervals of the bearing until it is replaced with an improved bearing, part number 704A33651269.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 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
Airbus Helicopters (formerly Eurocopter France) Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350C, AS350D, and AS350D1 helicopters with a single hydraulic system and hydraulic pump drive assembly part number 350A35-0132-00 installed, and bearing part number 704A33651243 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.