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Appendix III — Complex maintenance tasks not to be released by the Pilot-owner
Regulation (EU) 2020/270
All of the following constitutes the complex maintenance tasks which, according to Appendix II, shall not be carried out by the pilot-owner. Those tasks shall be released either by an approved maintenance organisation or by independent certifying staff:
(a)the modification, repair or replacement by riveting, bonding, laminating, or welding of any of the following airframe parts:
(1)a box beam;
(2)a wing stringer or chord member;
(3)a spar;
(4)a spar flange;
(5)a member of a truss type beam;
(6)the web of a beam;
(7)a keel or chine member of a flying boat hull or a float;
(8)a corrugated sheet compression member in a wing or tail surface;
(9)a wing main rib;
(10)a wing or tail surface brace strut;
(11)an engine mount;
(12)a fuselage longeron or frame;
(13)a member of a side truss, horizontal truss or bulkhead;
(14)a seat support brace or bracket;
(15)a seat rail replacement;
(16)a landing-gear strut or brace strut;
(17)an axle;
(18)a wheel; and
(19)a ski or ski pedestal, excluding the replacement of a low-friction coating;
(b)the modification or repair of any of the following parts:
(1)aircraft skin or the skin of an aircraft float if the work requires the use of a support, jig or fixture;
(2)aircraft skin that is subject to pressurisation loads if the damage to the skin measures more than 15 cm (6 in.) in any direction;
(3)a load-bearing part of a control system, including a control column, pedal, shaft, quadrant, bell crank, torque tube, control horn and forged or cast bracket, but excluding:
(i)the swaging of a repair splice or cable fitting; and
(ii)the replacement of a push-pull tube end fitting that is attached by riveting;
(4)any other structure not listed in point (a) that a manufacturer has identified as primary structure in their maintenance manual, structural repair manual or instructions for continuing airworthiness;
(c)the performance of all of the following maintenance on a piston engine:
(1)dismantling and subsequent reassembling of a piston engine other than:
(i)to obtain access to the piston/cylinder assemblies; or
(ii)to remove the rear accessory cover to inspect and/or replace oil pump assemblies, where such work does not involve the removal and refitment of internal gears;
(2)dismantling and subsequent reassembling of reduction gears;
(3)welding and brazing of joints, other-than-minor weld repairs to exhaust units carried out by a suitably approved or authorised welder but excluding component replacement;
(4)the disturbing of individual parts of units which are supplied as bench-tested units except for the replacement or adjustment of items normally replaceable or adjustable in service;
(d)the balancing of a propeller, except:
(1)for the certification of static balancing where required by the maintenance manual; and
(2)dynamic balancing on installed propellers using electronic balancing equipment where permitted by the maintenance manual or other approved airworthiness data;
(e)any additional task that requires:
(1)specialised tooling, equipment or facilities; or
(2)significant coordination procedures because of the extensive duration of the tasks and the involvement of several persons.
Appendix IV — Airworthiness review certificate (EASA Form 15c)
Regulation (EU) 2021/700
NOTE: persons and organisations performing the airworthiness review in combination with the 100-h/annual inspection may use the reverse side of this form in order to issue the CRS referred to in point ML.A.801 corresponding to the 100-h/annual inspection.
AIRWORTHINESS REVIEW CERTIFICATE (ARC) (for aircraft complying with Part-ML)ARC reference: ……….. Pursuant to Regulation (EU) 2018/1139 of the European Parliament and of the Council: [NAME OF THE COMPETENT AUTHORITY] hereby certifies that: ☐ … it has performed an airworthiness review in accordance with Regulation (EU) No 1321/2014 on the following aircraft: [or] ☐ … the following new aircraft: Aircraft manufacturer: ………………………………………………Manufacturer’s designation: …………………………………. Aircraft registration: …………………………………………………Aircraft serial number: …………………………………………… (and) is considered airworthy at the time of the review. Date of issue: .................................................................. Date of expiry: …………………………………………………… Airframe flight hours (FH) at date of review (*): ……………………………………………………………………………………….. Signed: ........................................................................... Authorisation No (if applicable): ……....................... [OR] [NAME OF APPROVED ORGANISATION, ADDRESS and APPROVAL REFERENCE] (**) [or] [FULL NAME OF THE CERTIFYING STAFF AND PART-66 LICENCE NUMBER (OR NATIONAL EQUIVALENT)] (**) hereby certifies that it has performed an airworthiness review in accordance with Regulation (EU) No 1321/2014 on the following aircraft: Aircraft manufacturer: ………………………………………………Manufacturer’s designation: …………………………………. Aircraft registration: …………………………………………………Aircraft serial number: …………………………………………… (and) is considered airworthy at the time of the review. Date of issue: .................................................................. Date of expiry: …………………………………………………… Airframe flight hours (FH) at date of review (*): ……………………………………………………………………………………….. Signed: ........................................................................... Authorisation No (if applicable): ……....................... ====================================================================================== 1st Extension: The aircraft complies with the conditions of point ML.A.901(c) of Annex Vb (Part-ML) Date of issue: .................................................................. Date of expiry: …………………………………………………… Airframe flight Hours (FH) at date of issue (*): ……………………………………………………………………………………….…. Signed: .............................................………………………….. Authorisation No: ……………………………...................... Company name: ........................................................... Approval reference: ……………………………………………… ====================================================================================== 2nd Extension: The aircraft complies with the conditions of point ML.A.901(c) of Annex Vb (Part-ML) Date of issue: .................................................................. Date of expiry: ……………………………………………………. Airframe flight hours (FH) at date of issue (*): ……………………………………………………………………………………………. Signed: ............................................................................ Authorisation No: ……………………………..................... Company name: ............................................................. Approval reference: …………………………………………….. |
(*)except for balloons and airships
(**)The issuer of the Form can tailor it to his need by deleting the name, the certifying statement, the reference to the subject aircraft and the issuance details that are not relevant for his use.
EASA Form 15c, Issue 4