AD 2007-12-13

final rule
Data completeness: 70%

Airworthiness Directives; Viking Air Limited (Type Certificate No. A-806 Previously Held by deHavilland Inc.) Models DHC-2 Mk. I, DHC-2 Mk. II, and DHC-2 Mk. III Airplanes

AD Number
2007-12-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2007-27193
FR Citation
72 FR 31971

Applicability

TypeManufacturerModelDetails
aircraft Viking Various Airworthiness Directives; Viking Air Limited (Type Certificate No. A-806 Previously Held by deHavilland Inc.) Models DHC-2 Mk. I, DHC-2 Mk. II, and DHC-2 Mk. III Airplanes
aircraft Aviat Various Airworthiness Directives; Viking Air Limited (Type Certificate No. A-806 Previously Held by deHavilland Inc.) Models DHC-2 Mk. I, DHC-2 Mk. II, and DHC-2 Mk. III Airplanes

Unsafe Condition

Stress corrosion cracking occurring in the wing lift strut lower clevis fitting, part number C2W-1097A.

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

Required Actions

Inspect the wing lift strut assemblies using the fluorescent penetrant method as per Viking Air Ltd. Service Bulletin No. 2/41, Revision C, dated June 23, 2006. If cracks are found, replace the complete wing lift strut assembly with one that has been inspected and found free of cracks, or install a new assembly with part numbers C2W1115-1 or C2W1115-2. If no cracks are found, clean and reinstall the lower clevis fitting.

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

Compliance Time

Within 12 calendar months after the last inspection required by AD 88-08-02 or within 30 days after July 16, 2007, whichever occurs later.

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

Affected Aircraft

Viking Air Limited (Type Certificate No. A-806 previously held by deHavilland Inc.) Models DHC-2 Mk. I, DHC-2 Mk. II, and DHC-2 Mk. III airplanes, all serial numbers, equipped with wing lift strut assemblies, part numbers C2W1103, C2W1103A, C2W1104, or C2W1104A.

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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