This BOEING 737-4B7 airframe/engine combination has 670 current type-applicable Airworthiness Directives (802 airframe, 25 engine) and 157 historical. AD applicability is type-based — compliance status for N439US must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N439US is one of 7 BOEING 737-4B7 aircraft on the U.S. registry · fleet median year 1990.
No NTSB accident or incident records found for N439US in the NTSB aviation accident database.
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