Placards and Markings — Auxiliary Power Unit Air Intake — Introduction
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of Fokker F28 Mark 0070 and Mark 0100 aeroplanes must install the required placards and markings around the APU air intake and on the dorsal fin within 12 months of 18 June 2018. Operators in environments without ground-icing conditions may apply for an exemption from this requirement through their State of Registry authority. Alternative methods of compliance may be approved by EASA upon request.
Summary
EASA Airworthiness Directive 2018-0122 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Fokker F28 Mark 0070 and Mark 0100 aeroplanes. It addresses safety concerns related to the auxiliary power unit (APU) air intake, specifically to prevent uncontained APU turbine rotor rim failures during de-/anti-icing operations. The directive mandates installation of specific placards and markings near the APU air intake to warn ground personnel.
What changed
This new airworthiness directive introduces a requirement to install visual markings and the text "DO NOT SPRAY" near the APU air intake on affected Fokker F28 aircraft. These modifications are intended to prevent ingestion of de-/anti-icing fluids into the APU air intake, which can cause uncontrolled APU overspeed and rotor failure. The directive is based on a Fokker Services Service Bulletin SBF100-11-028.
Why it matters
This directive is critical for operators and maintenance organizations to prevent potentially hazardous APU failures caused by fluid ingestion during ground de-/anti-icing. Compliance reduces the risk of debris release, aircraft damage, and injury to occupants. It ensures continued airworthiness and regulatory compliance under European aviation safety regulations.
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