AD 2009-22-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-200C and 747-200F | Airworthiness Directives; Boeing Model 747-200C and 747-200F Series Airplanes |
Unsafe Condition
Reports of water contamination in the electrical/electronic units in the main equipment center, which could result in an electrical short and potential loss of several functions essential for safe flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install larger moisture shrouds and additional drain lines in the electrical/electronic equipment center within the specified compliance time.
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Compliance Time
Within 72 months after the effective date of this AD.
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Affected Aircraft
Boeing Model 747-200C and 747-200F series airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin 747-25A3431, dated March 6, 2008.
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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