AD 2017-23-01

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Bombardier, Inc., Airplanes

AD Number
2017-23-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2017-0712
FR Citation
82 FR 52644

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Various Airworthiness Directives; Bombardier, Inc., Airplanes

Unsafe Condition

Fatigue cracking of the left and right main landing gear (MLG) retract actuator rod ends, which could lead to MLG collapse.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect to determine if certain left and right MLG retract actuator rod ends are installed. Perform repetitive liquid penetrant inspections (LPIs) of affected left and right MLG retract actuator rod ends. Replace the left and right MLG retract actuator rod ends.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 12 months of effective date

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Bombardier, Inc., Model DHC-8-400, -401, and -402 airplanes, serial numbers 4001 and 4003 through 4325.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.