AD 2021-08-10

Recurring final rule
Data completeness: 80%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2021-08-10
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2020-1167
FR Citation
86 FR 20448

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

possible cracking of the wing pylon at the aft bulkhead bracket, which could result in the inability of the pylon to sustain limit load and adversely affect the structural integrity of the airplane.

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Required Actions

a general visual inspection of the left and right wing pylon at the aft bulkhead bracket for any lockbolt and collar; repetitive surface and open hole eddy current high frequency (ETHF) inspections of the left and right wing pylon at the aft bulkhead bracket for any cracking; and applicable on-condition actions.

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Compliance Time

within the compliance times specified in the "Compliance" paragraph of Boeing Alert Requirements Bulletin DC10-54A111 RB, dated June 26, 2020

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Affected Aircraft

all The Boeing Company Model DC-10-10, DC-10-10F, DC-10-15, DC-10-30, DC-10-30F (KC-10A and KDC-10), DC-10-40 and DC-10-40F airplanes; and Model MD-10-10F and MD-10-30F 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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