Airworthiness directives › 2023-20-07
AD 2023-20-07 Airworthiness Directives; Epic Aircraft, LLC Airplanes
Models named: E1000. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Epic Aircraft, LLC Model E1000 airplanes, serial numbers K003 through K032 inclusive, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 12 months after the effective date of this AD, install a secondary full position limit switch to the flap system, install a switch ramp on the flap actuator, and modify the take-off position switch rigging in accordance with steps 5 through 13 of the Instructions section in Epic Aircraft Service Bulletin SB-0034, Revision B, issued December 22, 2022 (Epic SB-0034, Revision B). Where Epic SB-0034, Revision B, specifies to discard a switch block, this AD requires removing that part from service. If, during the accomplishment of step 12, the flap-to-wing clearances exceed the specified travel limits, before further flight, adjust the flap-to-wing clearances until they do not exceed the specified travel limits. Where Epic SB-0034, Revision B, specifies to contact Epic Aircraft if clearance and travel limits cannot be met, this AD does not require that action. Note 1 to paragraph (g): Information regarding the flap-to-wing travel limits may be found in Epic E1000 Maintenance Manual SK05000000, Revision A, dated April 13, 2020.
Unsafe condition
This AD was prompted by a report that during a production ground test, the flap position switches were not properly rigged and allowed the actuator to travel beyond the commanded flaps' full (fully extended) position. The FAA is issuing this AD to prevent the flap actuator from overrunning the flaps' fully extended position if the full position microswitch is either missing or not rigged properly, resulting in an uncertified flap configuration. The unsafe condition, if not addressed, could result in loss of control of the airplane.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1