AD 2018-09-01

Recurring final rule
Data completeness: 80%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2018-09-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2017-1248
FR Citation
83 FR 18732

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

cracking of the main landing gear (MLG) beam forward support fitting on the inboard side of the wing buttock line (WBL) 157 rib

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

Required Actions

repetitive high frequency eddy current (HFEC) inspections for cracking of the MLG beam forward support fitting around the fastener locations common to the rear spar web, below the upper chord on the inboard side of the WBL 157 rib, and applicable on-condition actions (e.g., repair)

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

Compliance Time

Within 50 flight hours

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

Affected Aircraft

The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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