75-05-04
final ruleAirworthiness Directives; Whelen Engineering Company Incorporated A427 Strobe Light Flash Tubes Manufactured before November 1, 1974
Unsafe Condition: Possible ignition of flammable fluids or vapors by arcing at the strobe light flash tube.
Why matched: Airworthiness Directives; Whelen Engineering Company Incorporated A427 Strobe Light Flash Tubes Manufactured before November 1, 1974