AD 2004-14-16

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes

AD Number
2004-14-16
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2003-NM-149-AD
FR Citation
69 FR 41421

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Various Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes

Unsafe Condition

Premature cracking of the main fittings of the main landing gears (MLGs), which could result in failure of the fittings and consequent collapse of the MLGs during landing.

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

Required Actions

Inspect the main fittings of the MLGs for discrepancies using detailed and eddy current inspections. Investigate and correct any discrepancies found. Service the shock strut of the MLGs, inspect for nitrogen pressure, visible chrome dimension, and oil leakage, and service any discrepant strut.

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

Compliance Time

Before further flight for corrective actions. Detailed inspections must be completed before the accumulation of 2,500 total flight cycles on the MLGs or within 250 flight cycles after the effective date of the AD, whichever occurs later.

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

Affected Aircraft

Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes equipped with main fittings, part numbers 601R85001-81 and 601R85001-82 (Messier Dowty Incorporated P/N 17064-105 and 17064-106), of the main landing gears (MLG); certificated in any category.

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

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