MANDATORY SERVICE BULLETIN Z 126, Z 226/38a
ZLIN Z-126 · Service Bulletins
Overview
This document is a mandatory service bulletin for the Zlin Z-126 and Z-226 MS aircraft, detailing safety-related engineering aspects approved by the Czech CAA. It outlines the necessary checks and compliance instructions following a non-standard modification of the front fuselage spar.
- Effective for ZLIN Z 226 MS serial numbers 750, 804, and 839.
- Check for cracks in welds where wing flap lever brackets are attached.
- Particular checks must be done immediately after receipt of the bulletin.
- Regular checks are required every 50 flight hours.
- Checks should be performed during aircraft overhaul.
- Manufacturer MORAVAN-AEROPLANES, Inc. must be informed if cracks are found.
- Visual checks should be done with a minimum 10x magnifying glass.
- No additional materials are required for the checks.
Document
Source
Originally published by zlinaircraft.eu. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Service Bulletins
- Year ·
- 2002
- File size ·
- 625 KB
- Publisher ·
- zlinaircraft.eu
- Language ·
- en
What is the MANDATORY SERVICE BULLETIN Z 126, Z 226/38a?
The MANDATORY SERVICE BULLETIN Z 126, Z 226/38a is a service bulletins for the ZLIN Z-126, dated 2002.
Where does the MANDATORY SERVICE BULLETIN Z 126, Z 226/38a come from?
This copy of the MANDATORY SERVICE BULLETIN Z 126, Z 226/38a was originally published by zlinaircraft.eu and is hosted on Sprinkle as a free, searchable reference copy.
What year was the MANDATORY SERVICE BULLETIN Z 126, Z 226/38a published?
The MANDATORY SERVICE BULLETIN Z 126, Z 226/38a — the ZLIN Z-126 service bulletins on file — is dated 2002.
Most owners only have the POH. Here's the essential set for the ZLIN Z-126.
- 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
Reason
The bulletin addresses the release of the aircraft into operation after a non-standard modification of the front fuselage spar during the rebuilding of the Z-126 to Z 226 MS.
Accomplishment Instructions
Instructions include checking for cracks in welds and conducting regular checks after 50 flight hours and during overhauls.
Time of Compliance
Particular checks must be done immediately, with regular checks every 50 flight hours and during overhauls.
Costs Covered By
The costs for the checks are to be covered by the user.
Material
Checks require a minimum 10x magnifying glass and may involve paint removal for thorough inspection.
Contact Information
The bulletin includes contact details for the Chief Designer at Moravan-Aeroplanes a.s. in the Czech Republic.
Safety notes
- Immediate checks are required upon receipt of the bulletin.
- Cracks found must be reported to the manufacturer.
- Visual checks should be conducted with a minimum 10x magnifying glass.
- Paint may need to be removed for thorough inspection.
- Regular checks are mandatory after every 50 flight hours.
Full document text
MANDATORY SERVICE BULLETIN Z 126, Z 226/38a “SAFETY RELATED” Engineering Aspects are Czech CAA Approved 1. DATE: January 8, 2002 2. EFFECTIVITY: ZLIN Z 226 MS of serial number 750, 804 and 839. 3. REASON: Releasing the aircraft into operation after accomplishing the non-standard modification of front fuselage spar (drw. No. 126.111-01.01) within the framework of rebuilding the Z-126 aircraft to Z 226 MS. Modification was not performed by manufacturer. Brackets for attachment of the wing flap lever (drw. No. Z 326.111-01.01) were welded to the heat treated upper flange of the front fuselage spar (drw. No. 126.111-01.01). 4. ACCOMPLISHMENT INSTRUCTIONS: Check the places where the brackets for attachment of the wing flap lever were welded. (Search for cracks in welds and its surroundings). 4.1 Particular check 4.2 Regular periodical checks after 50 flight hours 4.3 Check during aircraft overhaul 5. TIME OF COMPLIANCE: 5.1 Particular check – immediately after receipt of this Bulletin 5.2 Regular periodical checks – after each 50 flight hours 5.3 During aircraft overhaul 6. ACOMPLISHED BY: 6.1 Particular check according to 4.1: Manufacturer MORAVAN-AEROPLANES, Inc. 6.2 Regular periodical check after 50 flight hours according to 4.2: Organization approved to accomplish periodical inspections after 100 flight hours and annual inspections. 6.3 Check during overhaul according to 4.3: Organization approved to accomplish aircraft overhauls. 7. COSTS COVERED BY: User. 8. MATERIAL: 8.1 Particular check and periodical inspections after 50 flying hours according to 4.1; 4.2: Execute visual check with min. 10 times magnifying glass. In case of doubts remove the paint in the pertinent locality and check it by capillary crack detection. In case of finding the crack immediately inform manufacturer MORAVAN-AEROPLANES, Inc. After executing the check record it into airplane log book. 8.2 Check during aircraft overhaul according to 4.3: After paint removal during fuselage repair check with min. 10 times magnifying glass and if need be, by capillary crack detection. In case of finding the crack immediately inform manufacturer MORAVAN-AEROPLANES, Inc. After executing the check record it into airplane log book. 9. MATERIAL: None 10. ANNEXES: None _______________________ Ing. Dušan Totek Chief Designer Contact address: Moravan-Aeroplanes a.s. Otrokovice ZLIN Service 765 81 Otrokovice Czech Republic