Fuel — Fuel Quantity Reading Probes and Low Level Sensors — Functional Check
- Published
- Effective
- Deadline
- Replaces
- 2018-0187
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators must perform a functional check of the fuel quantity reading probes and low level sensors within 1,500 flight hours or 12 months after 12 September 2018, whichever occurs first. If any parts are found out of tolerance, they must be replaced with serviceable parts as defined in the directive. Only serviceable affected parts may be installed on SAAB 2000 aeroplanes from 12 September 2018 onward.
Summary
EASA Airworthiness Directive 2018-0187R1 is an airworthiness directive addressing fuel quantity reading probes and low level sensors on SAAB 2000 aeroplanes. It mandates a one-time functional check of the fuel quantity system and low level warning system to detect any deteriorated fuel probes or sensors that could cause misleading fuel quantity indications. The directive applies to specific fuel probes and low level sensors identified by part numbers on all SAAB 2000 aircraft.
What changed
This revision of EASA AD 2018-0187 updates the definition of a serviceable part to clarify the criteria for fuel probes and low level sensors considered acceptable for installation. It maintains the original requirement for a one-time functional check and replacement of any parts found out of tolerance. No new inspection or replacement requirements beyond the original AD are introduced.
Why it matters
This AD is critical for operators and maintenance organizations as it addresses a potential unsafe condition where faulty fuel probes could cause incorrect fuel readings, leading to fuel starvation and possible engine shutdown in flight. Compliance ensures continued airworthiness and safety by preventing misleading fuel quantity indications. Understanding the updated serviceable part definition helps maintenance teams correctly identify parts eligible for installation.
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