AD 2010-23-13

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Model 757 Airplanes

AD Number
2010-23-13
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2010-0483
FR Citation
75 FR 68688

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Model 757 Airworthiness Directives; The Boeing Company Model 757 Airplanes

Unsafe Condition

Drain holes and unsealed panel assemblies in the fixed leading edge adjacent to the inboard end of slats 4 and 7 are too close to the hot portion of the engines, potentially causing fuel leaking onto an engine and a consequent fire.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Change the lower fixed leading edge panel assemblies immediately outboard of the nacelles at slats 4 and 7, in accordance with Boeing Special Attention Service Bulletin 757-57-0070, using washer part number NAS1149D0632J instead of NAS11490632J.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 60 months after the effective date of this AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

All The Boeing Company Model 757-200, -200PF, -200CB, and -300 series airplanes, certificated in any category.

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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