AircraftDirectives
MembershipSign inCreate free account
Menu
Airworthiness Directive

AD 2025-18-10 90 FR 43544 Active

Federal Aviation Administration · 14 CFR part 39

Requires a one-time visual inspection for cracks on the mounting bracket on the oil cooler fan assembly housing and modification of the mounting bracket.

Federal Register (opens in a new tab)FAA DRS (opens in a new tab)

FR document
2025-17384
Amendment
39-23137
Published
2025-09-10
Effective
2025-09-25
Models covered
1

Last live check: 2026-08-19

Printed from https://aircraftdirectives.com/ad/2025-18-10 · AircraftDirectives restates official FAA and manufacturer records; the official sources named on this sheet control. Not an airworthiness determination.

This page is a reference Record, not an airworthiness or compliance determination. Official FAA and manufacturer sources control over our restatement, subject to governing law. Check applicability, current requirements and incorporated documents before acting. The owner or operator remains responsible for airworthiness and required records under 14 CFR 91.403 and 91.417, as applicable. Terms of Use: /terms.

Opens your browser's print dialog. Choose “Save as PDF” to export a file. Keyboard: Ctrl+P or Cmd+P.

AD

2025-18-10

FR doc 2025-17384 · 90 FR 43544

AD 2025-18-10Published 2025-09-10Effective 2025-09-25

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires a one-time visual inspection for cracks on the mounting bracket on the oil cooler fan assembly housing and modification of the mounting bracket.

Full official abstract

The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Canada Limited Model 505 helicopters. This AD was prompted by a report of a crack on the mounting bracket on the oil cooler fan assembly housing. This AD requires a one-time visual inspection for cracks on the mounting bracket on the oil cooler fan assembly housing and modification of the mounting bracket. The FAA is issuing this AD to address the unsafe condition on these products.

More directives for Bell 505 Jet Ranger X

  1. AD 2026-18-10 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2026-10-22
  2. AD 2026-16-02 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2026-09-10
  3. AD 2026-15-06 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2026-09-03
  4. AD 2026-05-51 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2026-04-16
  5. AD 2025-22-03 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2025-11-20

All Bell 505 Jet Ranger X directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 1 model in our index