AD 2010-10-26
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Model CL-600-1A11 (CL-600), CL-600-2A12 (CL-601), and CL-600-2B16 (CL-601-3A, CL-601-3R, and CL-604 Variants) Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Bombardier, Inc. Model CL-600-1A11 (CL-600), CL-600-2A12 (CL-601), and CL-600-2B16 (CL-601-3A, CL-601-3R, and CL-604 Variants) Airplanes |
Unsafe Condition
A specific batch of nose landing gear (NLG) and NLG door selector valves, part number (P/N) 601R75146-1 (Kaiser Fluid Technologies P/N 750006000), may have had their end caps incorrectly lock-wired and/or incorrectly torqued during assembly. This condition can lead to the end cap backing off, with consequent damage to a seal and internal leakage within the valve.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the nose landing gear (NLG) and NLG door selector valves for the specified part number and serial number range. Replace or rework the valves as necessary based on the inspection results. Ensure that valves with the ink stamp marking 'SB750006000-1' are not installed without the required marking.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months of the effective date (June 25, 2010)
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bombardier, Inc. Model CL-600-1A11 (CL-600), serial numbers 1004 through 1085 inclusive; Model CL-600-2A12 (CL-601), serial numbers 3001 through 3066 inclusive; Model CL-600-2B16 (CL-601-3A, CL-601-3R, and CL-604), serial numbers 5001 through 5194 inclusive, and serial numbers 5301 through 5665 inclusive.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.