AD 2010-06-06

final rule
Data completeness: 90%

Airworthiness Directives; MD Helicopters, Inc. Model MD-900 Helicopters

AD Number
2010-06-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2009-0953
FR Citation
75 FR 12441

Applicability

TypeManufacturerModelDetails
aircraft Bell Various Airworthiness Directives; MD Helicopters, Inc. Model MD-900 Helicopters

Unsafe Condition

Cracks in the swashplate spherical slider bearing (slider bearing) occurred well before the previously increased retirement life of 2,030 hours time-in-service (TIS) was reached, leading to potential fatigue failure 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

Remove from service specific parts, including the swashplate spherical slider bearing, before specified time-in-service (TIS) limits. Apply serial numbers to various parts within 100 hours TIS. Revise the Airworthiness Limitations Section of the MD-900 Maintenance Manual to adjust part life limits.

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

Compliance Time

Within 100 hours TIS for serial number application; removal from service by specified TIS limits.

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

Affected Aircraft

MD Helicopters, Inc. Model MD-900 helicopters, certificated in any category, with specific serial number ranges for certain parts.

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

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