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August 5, 2020 - by Sean Broderick for www.aviationweek.com

• The FAA's analysis broke the MAX safety issues into seven categories

WASHINGTON—The FAA's proposed steps for operators to clear Boeing 737 MAXs for service include separating wire bundles deemed to be noncompliant with regulations and conducting "readiness" flights to ensure the long-grounded aircraft are airworthy, a draft notice of proposed rulemaking (NPRM) made public Aug. 3 reveals.

The wire-bundle issue, discovered during regulators' comprehensive review of the MAX's design and certification, concerns horizontal stabilizer trim arm and control wiring that runs the length of the aircraft.

The FAA found that the wiring needs to be separated in 12 places to meet 2007 regulatory changes put in place to prevent wiring failures from creating hazards.

The agency ordered Boeing to fix the issue on new-production MAXs and...

Read more https://aviationweek.com/air-transport/safety-ops-regulation/wiring-fixes-among-changes-faa-will-require-max-can-return