# Proposed AD FAA-2018-0638: Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc.; Canadair Limited) Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2019-02-05
- Products: Viking Air
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: August 2, 2018, 83 FR 37768
- Comments due: September 17, 2018
- Became: [AD 2019-02-05](https://openairdocs.org/ad/2019-02-05)
- Docket: FAA-2018-0638 (https://www.regulations.gov/docket/FAA-2018-0638, where comments are filed)
- FR document: 2018-16490
- Official PDF: https://openairdocs.org/files/sha256/02/73/027310f50845e061aea9f0fcb3b2d394ad7ec0a3fee0f5df24373f64709a9322 (from https://www.govinfo.gov/content/pkg/FR-2018-08-02/pdf/2018-16490.pdf)
- Federal Register: https://www.federalregister.gov/documents/2018/08/02/2018-16490/airworthiness-directives-viking-air-limited-type-certificate-previously-held-by-bombardier-inc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4511FCE8F6D45207862582DD0067FD99.0001
- Page: https://openairdocs.org/proposed/FAA-2018-0638

## Summary

We propose to supersede Airworthiness Directive (AD) 2013-11- 03, which applies to certain Viking Air Limited Model CL-215-1A10 and CL-215-6B11 (CL-215T Variant) airplanes. AD 2013-11-03 requires repetitive detailed inspections for cracking of the left-hand (LH) and right-hand (RH) wing lower skin, and repair if necessary. AD 2013-11-03 was prompted by reports of a fractured wing lower rear spar cap and reinforcing strap. Since we issued AD 2013-11-03, further analysis has indicated the need for repetitive eddy current and borescope inspections. This proposed AD would require repetitive borescope inspections of the LH and RH wing lower skin and repetitive eddy current inspections of the LH and RH wing front and rear lower spar caps. We are proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Aug 2, 2018: Notice of proposed rulemaking (NPRM). (first notice), FR document 2018-16490, comments due Sep 17, 2018 (https://www.federalregister.gov/documents/2018/08/02/2018-16490/airworthiness-directives-viking-air-limited-type-certificate-previously-held-by-bombardier-inc)

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