FAA Targets Rust in Boeing 787 Airplane Bathrooms for Safety
Published Date: 4/7/2025
Proposed Rule
Summary
The FAA wants Boeing 787 planes to get special checks for rust in certain bathroom parts to keep everyone safe. Owners will need to inspect, record, and fix any corrosion found, plus update their maintenance plans. These changes help prevent problems and keep flights smooth, with inspections happening soon to avoid costly repairs later.
Analyzed Economic Effects
4 provisions identified: 0 benefits, 4 costs, 0 mixed.
Mandatory corrosion inspections on 787 lavatories
If you own or operate Boeing Model 787-8, 787-9, or 787-10 airplanes, you must do a detailed inspection of the lower fitting assemblies and the centerline partition threshold of certain lavatories for corrosion. The FAA proposes these inspections to address reported corrosion on those lavatory parts.
Required maintenance-program revision for inspections
Owners/operators of Boeing 787-8, 787-9, and 787-10 airplanes must revise their existing maintenance programs to include a detailed inspection of the lavatory vertical side forward fittings for corrosion or damage. The proposed AD would add this inspection to the maintenance program.
On-condition corrective actions for found corrosion
If corrosion or damage is found during the required inspections on the specified Boeing 787 lavatory parts, owners/operators must perform applicable on-condition actions (repairs). The proposed AD requires operators to fix any corrosion discovered.
Record update required on modification placard
If corrosion inspections are done on the affected Boeing 787 lavatory fittings, owners/operators must record the inspection on the aircraft's modification record placard. The proposed AD explicitly requires that recording step as part of compliance.
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