AD 93-01-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 767-200 Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300 Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300F Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
Unsafe Condition
A broken counterbalance inner torsion spring in the entry/service door could prevent the door from opening during emergency evacuation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform operational checks to detect broken counterbalance inner torsion springs within specified flight hour intervals. Replace broken springs with airworthy parts or install improved counterbalance assemblies as per Boeing Service Bulletin 767-52A0053, Revision 2. Repeat checks or install improved parts to terminate AD requirements.
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Compliance Time
Within 425 flight hours after the effective date of this AD or within 425 flight hours after the last operational check under paragraph (a), whichever occurs first.
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Affected Aircraft
Boeing Model 767-200 Series, 767-300 Series, 767-300F Series with entry/service doors equipped with slide rafts; line positions 002 through 409, inclusive.
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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