Airworthiness directives › 2022-06-18
AD 2022-06-18 Airworthiness Directives; The Boeing Company Airplanes
Models named: 767-2C series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all The Boeing Company Model 767-2C series airplanes, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 36 months after the effective date of this AD: Replace the alternative ventilation duct having part number (P/N) 216T2101-704 with P/N 216T2101-707; and change the insulation blanket to install the drain hose, as applicable; in accordance with a method approved by the Manager, Seattle ACO Branch, FAA.
Unsafe condition
This AD was prompted by a report of multiple nuisance caution “RECIRC SMOKE” engine indication and crew alerting system (EICAS) messages that may occur when water accumulates in the alternative ventilation system (AVS) duct. The FAA is issuing this AD to address water accumulation in the AVS duct, which can block AVS system airflow into the airplane, creating a loss of conditioned inflow and result in cold or hot flight deck temperatures, and potentially affect the flightcrew's ability to maintain continued safe flight and landing.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1