AD 2011-23-02

final rule
Data completeness: 70%

Airworthiness Directives; Bell Helicopter Textron, Inc. (Bell), Model 205A-1, 205B, 210, and 212 Helicopters

AD Number
2011-23-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-1182
FR Citation
76 FR 68301

Applicability

TypeManufacturerModelDetails
aircraft Textron Various Airworthiness Directives; Bell Helicopter Textron, Inc. (Bell), Model 205A-1, 205B, 210, and 212 Helicopters
aircraft Bell Helicopter Textron Airworthiness Directives; Bell Helicopter Textron, Inc. (Bell), Model 205A-1, 205B, 210, and 212 Helicopters

Unsafe Condition

Fatigue cracks on main rotor blades, attributed to inadequate adhesive bonding during manufacture, leading to edge voids, corrosion, or cracks in the grip plate and doubler areas.

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

Required Actions

Wash upper and lower blade surfaces, visually inspect grip plates and doublers for edge voids, corrosion, or cracks, wipe bond lines with alcohol-soaked cloth, inspect bond lines for edge delamination or paint cracks, apply preservative oil to all blade surfaces, remove paint from suspect areas, replace blades with cracked grip plates or doublers, replace or repair blades with edge voids or corrosion, and replace blades with cracked skin.

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

Compliance Time

Within 25 hours time-in-service (TIS) and thereafter at intervals not to exceed 25 hours TIS.

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

Affected Aircraft

Bell Helicopter Textron, Inc. Model 205A-1, 205B, 210, and 212 helicopters with certain main rotor blade assemblies installed, including additional blade part numbers and all helicopter serial numbers for the affected models.

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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