Fuselage - Seat Tracks above the Electronics Equipment Bays - Inspection
- Published
- Effective
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Affected operators must perform a detailed inspection of seat tracks above the aft electronics equipment bays for sealant and moisture barrier integrity by June 18, 2025. If missing or damaged materials are found, they must apply sealant, moisture barrier tape, or tape dams as specified. Operators should refer to Boeing Alert Requirements Bulletin B787-81205-SB530085-00 RB, Issue 001, dated March 6, 2024, for detailed procedures.
Summary
Fuselage - Seat Tracks above the Electronics Equipment Bays - Inspection is a final rule airworthiness directive issued by the FAA affecting certain Boeing 787-8, 787-9, and 787-10 airplanes. It addresses water leakage from the potable water system causing water ingress into the electronics equipment bays due to missing or improperly installed sealant, moisture barrier tape, or tape dams above the seat tracks. The directive mandates inspections and corrective actions to ensure the safety of the affected aircraft.
What changed
This airworthiness directive introduces a requirement to inspect seat tracks above the electronics equipment bays for missing, damaged, or deteriorated sealant, moisture barrier tape, or tape dams, and to perform on-condition repairs as necessary. It expands applicability to additional Boeing 787-8 airplanes and includes certain 787-9 and 787-10 models. The AD does not supersede the previous AD 2016-14-04 but applies to a different set of airplanes.
Why it matters
This AD is critical for aviation professionals because it prevents water damage to sensitive electronics equipment, which could compromise aircraft safety and reliability. Operators and maintenance teams must ensure compliance to avoid potential system failures and costly repairs. The directive also clarifies factory corrective actions and provides a compliance timeline aligned with scheduled maintenance to minimize operational disruption.
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