SERVICE BULLETIN: # SB ALLERT-71 Rev. 28.01.22
Heli-Sport CH-7 Kompress · Service Bulletins
Overview
This service bulletin addresses mandatory flight suspension for CH-7 Helisport helicopters equipped with EPA Engine 917Ti due to potential malfunctions. It outlines compliance procedures and the need for inspections and adherence to updated operating parameters before resuming flights.
- Mandatory flight suspension for CH77 Ranabot and CH7 Kompress helicopters with EPA Engine 917Ti.
- Investigations found no tangible cause for engine malfunctions.
- Compliance with SB-7_2022 and SI-6_2022 is required before resuming flights.
- Operators must request the updated Pilot's Operating Handbook.
- Only certified technicians may perform the required maintenance.
- No costs for shipping or labor will be reimbursed by CH7 Helisport.
Document
Source
Originally published by ch-7helicopter.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Service Bulletins
- Year ·
- 2021
- File size ·
- 109 KB
- Publisher ·
- ch-7helicopter.com
- Language ·
- en
What is the SERVICE BULLETIN: # SB ALLERT-71 Rev. 28.01.22?
The SERVICE BULLETIN: # SB ALLERT-71 Rev. 28.01.22 is a service bulletins for the Heli-Sport CH-7 Kompress, dated 2021.
Where does the SERVICE BULLETIN: # SB ALLERT-71 Rev. 28.01.22 come from?
This copy of the SERVICE BULLETIN: # SB ALLERT-71 Rev. 28.01.22 was originally published by ch-7helicopter.com and is hosted on Sprinkle as a free, searchable reference copy.
What year was the SERVICE BULLETIN: # SB ALLERT-71 Rev. 28.01.22 published?
The SERVICE BULLETIN: # SB ALLERT-71 Rev. 28.01.22 — the Heli-Sport CH-7 Kompress service bulletins on file — is dated 2021.
Most owners only have the POH. Here's the essential set for the Heli-Sport CH-7 Kompress.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
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In this document
Subject
The bulletin discusses the mandatory suspension of flights for specific helicopter models to investigate engine malfunctions.
Compliance
Operators must apply the service bulletin instructions during pre-flight inspections and follow the updated protocols.
Instructions
Flights can resume only after compliance with the service instructions and obtaining the updated Pilot's Operating Handbook.
Material Costs
Costs related to shipping, labor, and additional work are not reimbursed by CH7 Helisport.
Technician Requirements
Maintenance must be performed by technicians who have completed the specialized training.
Summary
All instructions must be completed in accordance with compliance requirements outlined in the bulletin.
Safety notes
- Failure to follow this instruction may result in damage to the aircraft, personal injury or death.
- Mandatory compliance with updated operating parameters is required.
Full document text
SERVICE BULLETIN: # SB ALLERT-71 Rev. 28.01.22 DATE: 13 December 2021 TO: ALL AIRCRAFT EQUIPPED WITH EPA ENGINE 917Ti AFFECTED PRODUCTS: CH77 Ranabot , CH7 Kompress Charlie , CH7 Kompress PRODUCTS / SERIALS: SB ALLERT 71 SUBJECT: FOLLOWING SB 6_2021 BY EPA POWER INSPECTION: MANDATORY REPLACEMENT: COMPLIANCE PROCEDURE: Following SB Nr. 6_2021 posted by EPA, CH-7 HELISPORT HELICOPTER issues the SB ALLERT 71 . 2021 with Mandatory suspension of flight to all CH77 Ranabot CH7 kompress helicopters powered by EPA Engine 917 ti. This in order to investigate with EPA technicians on the cause of the malfunctions found on these type of engines and to determine an official EPA inspection protocol. WARNING: Failure to follow this instruction may result in damage to the aircraft, personal injury or death 1.2 Subject: After 45 days of in-depth investigations by Epa and Helisport technicians and from the hundreds of data verified by the data logger equipped on each 917Ti engine, no tangible cause was found. Epa power has issued an SL-9_2022 SB-7_2022 and SI-6_2022 to be applied in a mandatory manner, before resuming flights. in accordance with the SB-7_2022 Epa some operating parameters, limitations and alarms have been changed. 1.3 Compliance Application required in the next pre-flight inspection. The application of the SB 71ALLERT must be in accordance with the inspection instructions SB- Page 1 of 2 7_2022 and SI-6_ 2022 Epa power below in section 3. WARNING: Failure to follow this instruction may result in damage to the aircraft, personal injury or death 2) Material-costs and availability prices and availability will be provided by CH7 HELISPORT HELICOPTER, Authorized Sellers or CH7 SERVICE CENTER 2.1 The Company Shipping costs, downtime, loss of income, telephone costs etc., labor, additional work, are not charged or reimbursed by CH7 HELISPORT HELICOPTER. 2.2 Material 2.4 special equipment / lubricated / glue / sealing compound. NO Rework of parts NO 3) Instructions Flights can be resumed according to the application of the service instruction SI-7_2022 Epa Power and the SB 7 EPA application. moreover, to validate the SB_7 it is mandatory to request the Pilot's Operating Handbook manual rev 28.01.22 by personal email to CH7 Helisport kompress@cht.it or ch7service@ch7.it and take note of the new limitations, print it in A5 format and put it on board the helicopter This maintenance service can be applied by operators who have obtained the Rotax / Helisport / Epapower specialized technician course or by Helisport or Epapower technicians To fully review the documentation to understand exactly the procedures and requirements to avoid errors, all measurements must be taken and confirmed within the following persons or structures: CH7 HELISPORT HELICOPTER CH7 SERVICE CENTER EPA POWER people approved by CH7 HELISPORT HELICOPTER 3.2) Put the aircraft back in its original operating configuration in accordance with the related construction and maintenance manuals 3.3 Summary These instructions (section3) must be completed in accordance with section 1.3 Compliance. Page 2 of 2