AD 2014-21-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Airplanes |
Unsafe Condition
Certain lanyards for the passenger oxygen masks are longer than the specified length, possibly leading to inactive oxygen masks in an emergency.
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Required Actions
Replace lanyards having part numbers B431564-503 and -505 for all passenger oxygen dispensing units, with lanyards having P/N B431564-507, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 700-1A11-35-009, Revision 02.
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Compliance Time
Within 750 flight hours or 15 months after the effective date of this AD, whichever occurs first.
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Affected Aircraft
Bombardier, Inc. Model BD-700-1A11 airplanes, certificated in any category, modified by FAA Supplemental Type Certificate (STC) ST02140NY or ST02033NY.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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