AD 2021-21-11

final rule
Data completeness: 70%

Airworthiness Directives; Pacific Aerospace Limited Airplanes

AD Number
2021-21-11
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2021-0604
FR Citation
86 FR 61056

Applicability

TypeManufacturerModelDetails
aircraft Aviat Various Airworthiness Directives; Pacific Aerospace Limited Airplanes

Unsafe Condition

insufficient clearance between the engine mount, the Beta control rod, and the inter-turbine temperature (ITT) sensing probe that could lead to chafing damage.

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

Required Actions

inspect the engine mount, the temperature probe, and the reversing cable for signs of chafing or damage, install anti-chafing blade tape onto the engine mount tube, and obtain further guidance for corrective actions.

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

Compliance Time

Within 165 hours time-in-service after the effective date of this AD

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

Affected Aircraft

Pacific Aerospace Limited Model 750XL airplanes, serial numbers 101 through 215, 220, 8001, and 8002.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.