AD 86-02-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-300 Series | BOEING Model 747-300 Series Airplanes |
Unsafe Condition
Defective or missing self-locking nuts on upper deck left and right doors could prevent proper automatic slide deployment and door opening.
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Required Actions
Inspect upper deck left and right doors to verify installation of acceptable self-locking nuts and replace defective or missing hardware per Boeing Alert Service Bulletin 747-52A2198. Alternate means of compliance may be used if approved by FAA.
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Compliance Time
within 30 days after the effective date of this amendment
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Affected Aircraft
Boeing Model 747-300 series airplanes as listed in Boeing Alert Service Bulletin 747-52A2198
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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