Flight Safety Detectives on The Air India Flight 171 Accident

They have problems with leaking toilet faucets! See https://flightsafetydetectives.com/ and Federal Register / Vol. 90, No. 114 / Monday, June 16, 2025: 

14 CFR Part 39 [Docket No. FAA–2025–1103; Project Identifier AD–2024–00141–T] RIN 2120–AA64 Airworthiness Directives; The Boeing Company Airplanes
AGENCY : Federal Aviation Administration (FAA), DOT.
ACTION : Notice of proposed rulemaking (NPRM).
SUMMARY : The FAA proposes to supersede Airworthiness Directive (AD) 2024–01–01, which applies to certain The Boeing Company Model 787–8, 787–9, and 787–10 airplanes. AD 2024–01–01 requires repetitive general visual inspections (GVIs) of the area under all
lavatory washbasins for evidence of intermittent and active leaks at the faucet control module (FCM) and applicable on-condition actions. The FAA has determined that the affected FCMs must be replaced with an improved design FCM to address the unsafe condition. This proposed AD would continue to require the actions of AD 2024–01–01 and would require replacing the FCM as terminating action for the repetitive GVIs, performing a leak test, installing moisture management devices, and performing
applicable on-condition actions. The FAA is proposing this AD to address the unsafe condition on these products.

See Juan Browne, Stig Aviation and Taking Off on the Air India 787 Crash.

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