Summary
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-800, -900, and -900ER series airplanes. This AD was prompted by reports of in-flight failure of the left temperature control valve and control cabin trim air modulating valve. This AD requires replacing the left temperature control valve and control cabin trim air modulating valve. We are issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2016-9432
Document Number
2017-12172
Type
Rule
Publication Date
June 15, 2017
Effective Date
July 20, 2017
Affected Manufacturer
The Boeing Company
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2016-9432
Topics
Official Documents
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