EASA SIB 2017-12
Fokker F28 Mark 0100 Aeroplanes - Interference between Passenger Service Units and Overwing Emergency Exit Doors — Installation Check
Summary
EASA Safety Information Bulletin 2017-12 is an airworthiness bulletin addressing potential interference between Passenger Service Units (PSUs) and overwing emergency exit doors on Fokker F28 Mark 0100 aeroplanes. The bulletin applies to aircraft equipped with PSU Part Numbers A546011-501 or A546011-503, including those modified by STC ST01306LA. It raises awareness of this issue beyond the scope of EASA Airworthiness Directive 2017-0113.
What Changed
This bulletin introduces a recommendation for owners and operators of affected Fokker F28 Mk.0100 aeroplanes to check for interference between the overwing emergency exit doors and nearby PSU panels. It highlights that the issue may exist on aircraft modified by STC ST01306LA, which is not validated in Europe, and provides guidance on contacting the STC holder for inspection instructions. The bulletin does not mandate corrective actions but serves as an informational notice.
Why It Matters
This information is important for aviation professionals because interference between PSUs and emergency exit doors could compromise emergency egress and passenger safety. Operators and maintenance organizations need to be aware of this potential unsafe condition to ensure continued airworthiness and regulatory compliance. Early detection and reporting of any interference can prevent safety risks and support timely corrective measures.
What To Do
Owners and operators should inspect the affected Fokker F28 Mk.0100 aeroplanes for any interference between the overwing emergency exit doors and PSU panels. They should obtain inspection procedures from the STC holder or relevant design approval authority. Any findings must be reported to the STC holder and the State of Registry authority. There are no mandatory compliance deadlines as this bulletin provides recommendations only.