AD 91-26-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | ATP | Airworthiness Directives; British Aerospace Model ATP Series Airplanes |
Unsafe Condition
Reduced structural integrity of the nose landing gear (NLG) due to corrosion and insufficient protection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the NLG, treat the main fitting with corrosion inhibitor, and externally seal the cover sub-assembly within 60 days after the effective date. Repeat corrosion inhibitor application every 6 months. Install modification (c)AC11432 on pre-modification NLG by the later of 6,000 landings or 3 years since new, or within 12 months after the AD's effective date.
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Compliance Time
Within 60 days after the effective date of this AD
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Affected Aircraft
British Aerospace Model ATP series airplanes equipped with nose landing gear part number 201049001 or 201278001/002, pre Dowty Aerospace Gloucester modification (c)AC11432 standard.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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