AD 2010-23-21

final rule
Data completeness: 70%

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc.) Model DHC-7 Airplanes

AD Number
2010-23-21
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2010-0699
FR Citation
75 FR 70106

Applicability

TypeManufacturerModelDetails
aircraft Bombardier DHC-7 Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc.) Model DHC-7 Airplanes
aircraft Bombardier Various Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc.) Model DHC-7 Airplanes
aircraft Viking Various Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc.) Model DHC-7 Airplanes
aircraft Aviat Various Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc.) Model DHC-7 Airplanes

Unsafe Condition

Potential ignition sources within the fuel system could result in a fuel tank explosion.

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

Required Actions

Within 60 days after the effective date, incorporate all fuel system limitation (FSL) tasks as specified in the temporary revisions listed in Chapter 5 of the Viking Dash 7 Series 1/100 Aircraft Maintenance Manual (AMM), PSM 1-7-2. Also, incorporate Section 5-10-13 as specified in Viking Air Limited TR 5-106, dated December 15, 2008, to Chapter 5 of the Viking Dash 7 Series 100 Maintenance Manual PSM 1-7-2. Perform initial inspections according to the specified times in Table 1 of this AD.

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

Compliance Time

Within 60 days after the effective date of this AD

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Affected Aircraft

Viking Air Limited (Type Certificate previously held by Bombardier, Inc.) Model DHC-7-1, DHC-7-100, DHC-7-101, DHC-7-102, and DHC-7-103 airplanes, certificated in any category.

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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