Airworthiness Directive · Amendment 39-16510 · Fuel
Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc.) Model DHC-7 Airplanes
This AD applies to 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.
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Within 60 days after the effective date of this AD, incorporate all the fuel system limitation (FSL) tasks as specified in the temporary revisions (TR) listed in Chapter 5 of the Viking Dash 7 Series 1/100 Aircraft Maintenance Manual (AMM), PSM 1-7-2; and 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.
Note 1: This may be done by inserting copies of the TRs identified in paragraph (g) of this AD in the AMM. When these TRs have been included in general revisions of the AMM, the general revisions may be inserted in the AMM, provided the relevant information in the general revision is identical to that in the TRs identified in paragraph (g) of this AD.
(h) At the applicable time specified in paragraphs (h)(1), (h)(2), (h)(3), and (h)(4) of this AD, do the initial inspections in accordance with the applicable TR identified in Table 1 of this AD.
(1) For Tasks FSL-01, FSL-02, FSL-03, FSL-04 and FSL-05: Inspect at the later of the times specified in paragraphs (h)(1)(i) and (h)(1)(ii) of this AD.
(i) Prior to the accumulation of 18,000 total flight hours.
(ii) Within 6,000 flight hours or within 36 months after the effective date of this AD, whichever occurs first.
(2) For Task FSL-06: Inspect at the later of the times specified in paragraphs (h)(2)(i) and (h)(2)(ii) of this AD.
(i) Prior to the accumulation of 40,000 total flight hours.
(ii) Within 6,000 flight hours or within 36 months after the effective date of this AD, whichever occurs first.
(3) For Task FSL-07: Within 1 month after the effective date of this AD.
(4) For Task FSL-08: Inspect at the later of the times specified in paragraphs (h)(4)(i) and (h)(4)(ii) of this AD.
(i) Prior to the accumulation of 4,000 total flight hours.
(ii) Within 2,000 flight hours or within 12 months after the effective date of this AD, whichever occurs first.
| Task— | Viking TR— | Date— |
|---|---|---|
| FSL-01 | 5-107 | December 15, 2008. |
| FSL-02 | 5-108 | December 15, 2008. |
| FSL-06 | 5-109 | December 15, 2008. |
| FSL-07 | 5-110 | December 15, 2008. |
| FSL-08 | 5-111 | December 15, 2008. |
| FSL-03 | 5-112 | December 15, 2008. |
| FSL-04 and FSL-05 | 5-113 | December 15, 2008. |
Note 2: This AD differs from the MCAI and/or service information as follows: No differences.