AD 94-10-08

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 767 Series Airplanes

AD Number
94-10-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
93-NM-228-AD
FR Citation
(Federal Register: May 18, 1994 (Volume 59, Number 95))

Applicability

TypeManufacturerModelDetails
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

Failure of the engine bleed air crossover duct due to cracks or ruptures, which could result in loss of pneumatics and damage to adjacent structure.

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

Required Actions

Conduct dye penetrant inspections and proof pressure testing of the crossover pneumatic duct. Repair or replace the duct if cracks or ruptures are found. Stress relieve the duct assembly as per Boeing Service Bulletin 767-36A0041, Revision 2.

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

Compliance Time

Within 6 months after the effective date of this AD or prior to the accumulation of 7,000 total flight cycles, whichever occurs later (Option 1) or within 18 months after the effective date or prior to 7,000 total flight cycles (Option 2).

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

Affected Aircraft

Boeing Model 767 series airplanes; line position 308 through 321, inclusive; 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 8, 2026

Rights: U.S. Government Public Domain

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