AD 2007-26-12

final rule
Data completeness: 70%

Airworthiness Directives; Robinson Helicopter Company Models R22, R22 Alpha, R22 Beta, R22 Mariner, R44 and R44 II Helicopters

AD Number
2007-26-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2007-0378
FR Citation
73 FR 397

Applicability

TypeManufacturerModelDetails
aircraft Robinson Helicopter Company Models R22 Airworthiness Directives; Robinson Helicopter Company Models R22, R22 Alpha, R22 Beta, R22 Mariner, R44 and R44 II Helicopters

Unsafe Condition

Skin separation along the leading edge of blade skin aft of the skin-to-spar bond line and in the tip cap area, which can lead to blade debond and subsequent blade failure.

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

Required Actions

Conduct a one-time visual inspection and tap test for skin separation or voids. Repaint any exposed areas. Replace blades with detected separation or voids before further flight. Before each flight, check for exposed bare metal near the skin-to-spar bond line; inspect any found areas.

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

Compliance Time

Before further flight for detected issues; before each flight for ongoing checks.

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

Affected Aircraft

Robinson Helicopter Company models R22, R22 Alpha, R22 Beta, R22 Mariner, R44, and R44 II helicopters.

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.