AD 2009-24-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-600 | Airworthiness Directives; Boeing 737-600, -700, -700C, and -800 Series Airplanes |
Unsafe Condition
Damage to the protective finishes on the forward trunnion pins for the left and right main landing gear (MLG) may lead to stress corrosion cracking, which could result in fracture of the pins and consequent collapse of the MLG.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Repetitive lubrications of the right and left MLG forward trunnion pins are required. An inspection for discrepancies of the transition radius of the MLG forward trunnion pins is also required, with corrective actions if necessary. For certain airplanes, repetitive detailed inspections for finish damage, corrosion, pitting, and base metal scratches of the transition radius of the left and right MLG trunnion pins are required, with corrective action if necessary. Replacing or overhauling the trunnion pins terminates the AD requirements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance time specified in the AD, which corresponds to the normal scheduled maintenance for most affected operators.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 737-600, -700, -700C, and -800 series airplanes of U.S. registry.
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
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