AD NO.
2021-18-17
SUBJECT
This AD required inspecting for part numbers of the operational program software (OPS) of the flight control computers (FCCs) and installing and testing an updated version of the FCC OPS.
APPLICABILITY
This AD applies to all The Boeing Company Model 737-600, -700, -700C, -800, -900, and – 900ER series airplanes, certificated in any category.
ISSUED BY
FAA