AD 90-23-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 757-200 Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200CB Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200PF Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-300 Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
Unsafe Condition
Separation of trailing edge wedges from the airplane due to delamination and physical damage on leading edge slats.
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Required Actions
Perform a close detailed visual inspection of trailing edge wedges on all leading edge slats for delamination and physical damage per Boeing Alert Service Bulletin 757-57A0038, Revision 2 or earlier FAA-approved revisions. Repeat inspections at intervals not exceeding 300 flight hours. If delamination or damage found, repair per FAA-approved procedure or replace with new parts before further flight.
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Compliance Time
Prior to the accumulation of 11,000 flight hours, or within the next 10 calendar days after September 21, 1990 (effective date of telegraphic AD T90-20-51) for line numbers 001-091, or within the next 10 calendar days of the effective date of this AD for line numbers 092-158, whichever occurs later.
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Affected Aircraft
Boeing Model 757 series airplanes, line number 1 through 158.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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