AD 98-24-22
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Agusta S.p.A. | A109C | Airworthiness Directives; Agusta A109C Helicopters |
Unsafe Condition
Cracks on the tail rotor blade grip assemblies could result in separation of a tail rotor blade and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the tail rotor blade grip assemblies with modified airworthy grip assemblies (part numbers 109-8131-29-101 or 109-8131-02-129) and install airworthy tail rotor blades (part number 109-8132-01-107). Revise the maintenance manual's Limitations Section with new retirement times for specified components.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 5 hours time in service, unless accomplished previously.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Agusta A109C helicopters, all serial numbers through 7670, excluding serial numbers 7630, 7633, 7645, 7651, 7653, 7657, 7661, 7663, 7665, 7667, and 7669, with tail rotor grip assembly part number 109-8131-05-109 or -113 installed.
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.