MANDATORY BULLETIN No. SPORTSTAR RTC -068a SR

EVEKTOR SportStar RTC · Service Bulletins

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Overview

This document is a mandatory service bulletin for all SportStar RTC airplanes, detailing required actions to replace fastening bolts in the engine mount hinges. It aims to unify the strength class of these bolts to minimize the risk of accidental interchange.

Mandatory bulletin for SportStar RTC airplanes.
Replace engine mount hinge bolts within 30 days.
Work must be performed by authorized maintenance organizations.
Costs for the replacement are covered by the airplane owner/operator.
Specific tools and materials are required for the replacement.
The procedure includes safety measures and torque specifications.

Document

Source

Originally published by website-files.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

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Document details

Type: Service Bulletins
Year: 2023
File size: 582 KB
Publisher: website-files.com
Language: en

Specifications & performance

Extracted from this document.

Specifications

Plug quantity: 4 pcs
Cotter pin quantity: 4 pcs
Bolt m10 35 quantity: 3 pcs
Cable tie 3 6x142 quantity: 20 pcs
Cable tie 4 8x368 quantity: 20 pcs

About this document

What is the MANDATORY BULLETIN No. SPORTSTAR RTC -068a SR?

The MANDATORY BULLETIN No. SPORTSTAR RTC -068a SR is a service bulletins for the EVEKTOR SportStar RTC, dated 2023.

Where does the MANDATORY BULLETIN No. SPORTSTAR RTC -068a SR come from?

This copy of the MANDATORY BULLETIN No. SPORTSTAR RTC -068a SR was originally published by website-files.com and is hosted on Sprinkle as a free, searchable reference copy.

What year was the MANDATORY BULLETIN No. SPORTSTAR RTC -068a SR published?

The MANDATORY BULLETIN No. SPORTSTAR RTC -068a SR — the EVEKTOR SportStar RTC service bulletins on file — is dated 2023.

Documentation completeness

2/7

Most owners only have the POH. Here's the essential set for the EVEKTOR SportStar RTC.

Pilot's Operating Handbook / AFM
Checklist
Maintenance Manual
Parts Catalog (IPC)
Systems & Wiring
Service Bulletins on file
Type Certificate (TCDS)

More EVEKTOR SportStar RTCmanuals & documents

In this document

Issues

The bulletin addresses the need for replacing fastening bolts in the engine mount hinges to prevent accidental interchange.

Work Procedure

Detailed steps for replacing the bolts, including necessary tools, materials, and safety precautions.

Necessary Tools

A list of tools required for the replacement, including a workshop crane, torque wrench, and various hand tools.

Necessary Material

Specifications for the bolts and other materials needed for the replacement, supplied by the manufacturer.

Influence on Weight and Balancing

The bulletin states that the replacement does not affect the weight and balance of the aircraft.

Operation Technical Documents

Instructions for recording the bolt replacement in the Aircraft Logbook after completion.

Safety notes

Threads of bolts tightened with a torque wrench must not be greased.
Ensure electrical network is switched off before starting work.
Disconnect the battery before performing the replacement.

Full document text

Letecká 1008, 686 04 Kunovice, Czech Republic QS-406/F-01J tel: +420 572 537 558 / +420 572 537 605 e-mail: service@evektor.com / evektor@evektor.com http://www.evektor.com Page : 1/6 Issues MANDATORY BULLETIN No. SPORTSTAR RTC -068a SR SAFETY RELATED 1. CONCERNING: All SportStar RTC airplanes. 2. REASON: Unification of the strength class of the fastening bolts in the joint of the engine and the engine mount hinges and the resulting minimization of the possibility that these bolts will be accidentally interchanged. 3. REQUIRED ACTIONS: 1. Replace the fastening bolts in accordance with the bulletin text. 2. Record the replacement in the Aircraft Logbook. 4. LATEST DAY OF THE ACTION: Within 30 calendar days of the issue of this bulletin or during the next scheduled service inspection, whichever occurs first. 5. CARRIED OUT BY: Organizations authorized for maintenance / repairs of this type of airplane in accordance with Part ML, or Part 145, or Part CAO or the relevant authorized person. 6. COSTS COVERED BY: Airplane owner/operator. 7. NECESSARY MATERIAL: In accordance with the bulletin text. 8. WORK PROCEDURE: In accordance with the bulletin text. 9. APPENDICES: None. Valid from: March 16, 2023 Letecká 1008, 686 04 Kunovice, Czech Republic QS-406/F-01J tel: +420 572 537 558 / +420 572 537 605 e-mail: service@evektor.com / evektor@evektor.com http://www.evektor.com Page : 2/6 1. Work procedure 1.1 Necessary tools Name Designation Quantity ---------------------------------------------------------------------------------------------------------------- Workshop crane Load capacity min. 150 kg 1 pc Suspension straps Load capacity min. 150 kg 3 pcs Hand electric drill 1 pc Drill bit ø 2,1 mm 1 pc Torque wrench 20-100 Nm 1 pc Pincers 1 pc Adjustable pliers 1 pc Allen wrench No. 5 1 pc Flat screwdriver 1 pc Marking pin 1 pc 1.2 Necessary material (in accordance with RTC-068A) Name Designation Nomencl. Quantity ------------------------------------------------------------------------------------------------------------------------- Bolt M10-35 S6 66-01 21 3 pcs Plug SG6 04-03 21 4 pcs Cable tie 3,6x142 mm 060333 20 pcs Cable tie 4,8x368 mm 060371 20 pcs Cotter pin 2x32 039651 4 pcs The material will be supplied by the airplane manufacturer. 1.3 Work procedure 1.3.1 Replacement of bolts in the joint of the engine and the engine mount hinges 1.3.1.1 Switch the electrical network off. 1.3.1.2 Turn the fuel cock control to the OFF position. 1.3.1.3 Remove the upper engine cowling in accordance with the procedure specified in the Airplane Maintenance Manual for SportStar RTC (Doc. No. ERTC021- 10-AS), Section 71-10. 1.3.1.4 Disconnect the battery. 1.3.1.5 Cut the cable ties on the engine wiring to gain access to the bolts of the engine on the engine mount hinges. 1.3.1.6 Remove any hoses or devices that prevent access to the bolts of the engine on the engine mount hinges. If any hose is removed, ensure that its filling is drained cowling in accordance with the procedure specified in the Airplane Maintenance Manual for SportStar RTC (Doc. No. ERTC021-10-AS), Section 12. Letecká 1008, 686 04 Kunovice, Czech Republic QS-406/F-01J tel: +420 572 537 558 / +420 572 537 605 e-mail: service@evektor.com / evektor@evektor.com http://www.evektor.com Page : 3/6 1.3.1.7 Secure the ends of the removed hoses with suitable plugs against the ingress of dirt. 1.3.1.8 Hang the engine (3, Fig. 1) on the workshop crane (1) using the suspension strap (2). The engine (3) is now secured against falling. 1.3.1.9 Remove the cotter pins and plugs (5, 7, Fig. 3) from the bolts (1, 2, 3, 4, Fig. 2) in the joint of the engine and the engine mount hinges. CAUTION THREADS OF BOLTS TIGHTENED WITH A TORQUE WRENCH MUST NOT BE GREASED! 1.3.1.10 Remove the bolt (1) from the joint of the engine and the engine mount hinges. Immediately replace the removed bolt with a new one and tighten it slightly. 1.3.1.11 Remove the bolt (2) from the joint of the engine and the engine mount hinges. Immediately replace the removed bolt with a new one and tighten it slightly. 1.3.1.12 Remove the bolt (3) from the joint of the engine and the engine mount hinges. Immediately replace the removed bolt with a new one and tighten it slightly. 1.3.1.13 Tighten the bolt (4) in the joint of the engine and the engine mount hinges using a torque wrench with a torque of 40 Nm. This bolt is the only one that is not replaced, but the tightening torque value is changed from 35 Nm to 40 Nm. 1.3.1.14 Tighten the bolts (1, 2, 3) in the joint of the engine and the engine mount hinges using a torque wrench with a torque of 40Nm. 1.3.1.15 Put the plugs (5, Fig.3) on the bolts (4), (1, 2, 3, 4, Fig.2). 1.3.1.16 Mark the plugs (5, Fig. 3) with a marking pin in accordance with the holes in the engine mount hinges (2) on both sides. 1.3.1.17 Remove the plugs (5) from the bolts (4) and drill through them with a ø2,1 mm drill bit in accordance with the marks made by the marking pin. 1.3.1.18 Put the plugs (5) back on the bolts (4) so that they align with the holes in the engine mount hinges (2). 1.3.1.19 Use the cotter pins (7) to secure the bolts (4) with the plugs (5) in the joint of the engine and the engine mount hinges (2). 1.3.1.20 Release the engine from the mounting crane (Fig. 1). 1.3.1.21 Remove all plugs from hoses or devices. 1.3.1.22 Attach all hoses which were previously removed to gain access to the bolts. 1.3.1.23 Attach new cable ties to the engine wiring if they were previously cut to gain access to the bolts. 1.3.1.24 Refill operating fluids (coolant, oil) if they were drained while accessing the bolts of the engine mount hinges (4, Fig. 3) cowling in accordance with the procedure specified in the Airplane Maintenance Manual for SportStar RTC (Doc. No. ERTC021-10-AS), Section 12. 1.3.1.25 Install the lower engine cowling in accordance with the procedure specified in the Airplane Maintenance Manual for SportStar RTC (Doc. No. ERTC021- 10-AS), Section 71-10.

Show full text

Letecká 1008, 686 04 Kunovice, Czech Republic QS-406/F-01J tel: +420 572 537 558 / +420 572 537 605 e-mail: service@evektor.com / evektor@evektor.com http://www.evektor.com Page : 4/6 1.3.1.26 Connect the battery. 1.3.1.27 Install the upper engine cowling in accordance with the procedure specified in the Airplane Maintenance Manual for SportStar RTC (Doc. No. ERTC021- 10-AS), Section 71-10. 1.3.1.28 .Switch the electrical network on. 1.3.1.29 Carry out the engine test, check oil pressure and oil system leaks. Fig. 1 – Securing the engine against falling Legend to Fig. 1 1 Workshop crane 3 Engine 2 Suspension strap 4 Engine mount Letecká 1008, 686 04 Kunovice, Czech Republic QS-406/F-01J tel: +420 572 537 558 / +420 572 537 605 e-mail: service@evektor.com / evektor@evektor.com http://www.evektor.com Page : 5/6 Fig. 2 – Engine mount – position of fastening bolts Legend to Fig. 2 1 Bolt M10-35 3 Bolt M10-35 2 Bolt M10-35 4 Bolt M10-110 Letecká 1008, 686 04 Kunovice, Czech Republic QS-406/F-01J tel: +420 572 537 558 / +420 572 537 605 e-mail: service@evektor.com / evektor@evektor.com http://www.evektor.com Page : 6/6 Fig. 3 – Engine suspension Legend to Fig. 3 2 Influence on airplane documentation 2.1 Accompanying technical documentation Not affected. 2.2 Operation technical documents The authorized person will carry out the record in the Aircraft Logbook after the bulletin implementation: „Bolt replacement was performed in accordance with the Mandatory bulletin No. RTC 068a SR“, and he will add the date and signature. 3 Influence on weight and balancing Not affected. 1 Engine 5 Plug (4 pieces) 2 Engine mount 6 Lock washer (4 pieces) 3 Firewall 7 Cotter pin (4 pieces) 4 Bolt M10 (3+1 piece) 8 Muffler attachment bracket

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