# Search: 427

In the text of ADs: 176 matches in release 2026-10-30. Page 1.

- [AD 2019-23-09](https://openairdocs.org/ad/2019-23-09.md): (a) Applicability · PDF page 3
  > This AD applies to Bell Helicopter Textron Canada Limited Model **427** helicopters with a vertical fin part number (P/N…
- [AD 2011-03-03](https://openairdocs.org/ad/2011-03-03.md): (f) Actions and Compliance · PDF page 2
  > …**427**-09-29, REV A, dated November 17, 2009. (i) If no cracks are found during the inspection required by…
- [AD 2016-20-01](https://openairdocs.org/ad/2016-20-01.md): Related Service Information · PDF page 2
  > We reviewed Bell Alert Service Bulletin (ASB) **427**-15-37 for Model **427** helicopters and Bell ASB 429-15-23…
- [AD 2018-21-15](https://openairdocs.org/ad/2018-21-15.md): (a) Applicability · PDF page 3
  > …part number (P/N) **427**-010-210-105 or aft rod end P/N **427**-010-210-109 installed, certificated…
- [AD 2012-10-01](https://openairdocs.org/ad/2012-10-01.md): Differences Between This AD and the TC AD · PDF page 1
  > …Model **427** helicopter, serial numbers 58001 and 58002; however, this AD is not applicable to the BHTC Model **427** helicopters…
- [AD 2019-23-09](https://openairdocs.org/ad/2019-23-09.md): Discussion · PDF page 2
  > …Model **427** helicopters with a vertical fin part number (P/N) **427**-035-840-105 or P/N **427**-035…
- [AD 2018-21-15](https://openairdocs.org/ad/2018-21-15.md): Request · PDF page 2
  > …to rod end P/N **427**-010-210-105 instead of P/N **427**-010-210-109. We agree with…
- [AD 2009-25-08](https://openairdocs.org/ad/2009-25-08.md): (i) Related Information · PDF page 2
  > …83, dated May 22, 2008, Alert Service Bulletin No. **427**-08-22, dated June 26, 2008, Technical Bulletin No. 407…
- [AD 2012-10-01](https://openairdocs.org/ad/2012-10-01.md): (a) Applicability · PDF page 2
  > This AD applies to Model **427** helicopters, serial numbers 56001 through 56084, certificated in any category.
- [AD 2025-13-01](https://openairdocs.org/ad/2025-13-01.md): (c) Applicability · PDF page 3
  > This AD applies to Bell Textron Canada Limited Model 407 and **427** helicopters, certificated in any category.
- [AD 2009-08-03](https://openairdocs.org/ad/2009-08-03.md): (c) Applicability · PDF page 2 · superseded or historical
  > …81 | A | September 19, 2007 | 407. | | **427**-07-18 | A | September 19, 2007 | **427**. | | 430-07-41 | C | September 20…
- [AD 2009-15-15](https://openairdocs.org/ad/2009-15-15.md): (c) Applicability · PDF page 2
  > (c) This AD applies to Model **427** helicopters, serial numbers 56001 through 56057, 58001, and 58002, certificated in any category.
- [AD 2013-18-06](https://openairdocs.org/ad/2013-18-06.md): (a) Applicability · PDF page 2
  > This AD applies to Model 206A, 206B, 206L, 206L-1, 206L-3, 206L-4, 222, 222B, 222U, 230, 407, **427**…
- [AD 2011-03-03](https://openairdocs.org/ad/2011-03-03.md): (c) Applicability · PDF page 2
  > (c) This AD applies to Bell Helicopter Textron Canada Limited Model **427** helicopters, all serial numbers (SNs), certificated in any…
- [AD 2012-14-07](https://openairdocs.org/ad/2012-14-07.md): Related Service Information · PDF page 2
  > …407 helicopter, and Bell ASB **427**-11-35, Revision B, for the Model **427** helicopter. Both ASBs are dated August…
- [AD 2018-21-15](https://openairdocs.org/ad/2018-21-15.md): (f) Required Actions · PDF page 3
  > …rod end P/N **427**-010-210-105 or an aft rod end P/N **427**-010-210-109 on…
- [AD 2013-18-06](https://openairdocs.org/ad/2013-18-06.md): Related Service Information · PDF page 2
  > …**427**-09-25 for Model **427**; and No. 430-09-42, for Model 430, all dated April 7, 2009. The…
- [AD 2025-25-01](https://openairdocs.org/ad/2025-25-01.md): (c) Applicability · PDF page 3
  > This AD applies to Bell Textron Canada Limited Model **427** helicopters, serial numbers 56001 through 56084 inclusive, 58001, and 58002…
- [AD 2009-22-11](https://openairdocs.org/ad/2009-22-11.md): Related Service Information · PDF page 2
  > …**427**-09-24, Revision A, dated March 30, 2009, for the Model **427** helicopters. The ASBs specify a one-time…
- [AD 2015-17-02](https://openairdocs.org/ad/2015-17-02.md): (a) Applicability · PDF page 2
  > This AD applies to Model 206L-4, 407, **427**, and 429 helicopters with an engine-to-transmission driveshaft assembly (driveshaft…

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