NOTICE No.: 204-2100-1R3
BELL 204B · Service Bulletins
Overview
This document is a service bulletin from Helicopter Technology Company regarding the periodic inspection requirements for the main rotor blades of certain helicopter models. It outlines the necessity for cleaning, visual inspections, and potential repairs or replacements of the main rotor blades to prevent failures that could lead to loss of helicopter control.
- Inspection required for main rotor blades to detect fatigue cracking.
- Failure to comply may result in loss of a main rotor blade during operation.
- Document supersedes previous version 204-2100-1R2.
- Affects multiple helicopter models including UH-1H, UH-1B, TH-1F, and 204B.
- Compliance must be recorded in the Rotorcraft Log Book.
- Contact information provided for further inquiries.
Document
Source
Originally published by helicoptertech.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Service Bulletins
- Year ·
- 2017
- File size ·
- 85 KB
- Publisher ·
- helicoptertech.com
- Language ·
- en
What is the NOTICE No.: 204-2100-1R3?
The NOTICE No.: 204-2100-1R3 is a service bulletins for the BELL 204B, dated 2017.
Where does the NOTICE No.: 204-2100-1R3 come from?
This copy of the NOTICE No.: 204-2100-1R3 was originally published by helicoptertech.com and is hosted on Sprinkle as a free, searchable reference copy.
What year was the NOTICE No.: 204-2100-1R3 published?
The NOTICE No.: 204-2100-1R3 — the BELL 204B service bulletins on file — is dated 2017.
Most owners only have the POH. Here's the essential set for the BELL 204B.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
In this document
Summary
This Notice requires cleaning and visually inspecting certain main rotor blades and, depending on the outcome, repairing or replacing them.
Purpose
Failure to comply with these inspection requirements may result in the loss of a main rotor blade during operation.
Part Numbers and Serial Numbers Affected
Lists specific part numbers and serial numbers affected by the inspection requirements.
References
Cites various maintenance manuals and FAA directives relevant to the inspection process.
Required Inspections
Inspection must be performed in accordance with FAA Airworthiness Directive 2016-23-09.
Points of Contact
Provides contact information for Helicopter Technology Company for further information.
Safety notes
- Inspection required to prevent main rotor blade failure.
- Non-compliance may lead to loss of helicopter control.
Full document text
Helicopter Technology Company, LLC NOTICE No.: 204-2100-1R3 Service DATE: 12 December 2017 Notice PAGE: 1 of 2 MAIN ROTOR BLADE ROOT END PERIODIC INSPECTION REQUIREMENTS SUMMARY: This Notice requires cleaning and visually inspecting certain main rotor (M/R) blades and, depending on the outcome of the inspections, repairing or replacing the M/R blades. This Notice was prompted by discovery of a M/R blade with fatigue cracking around the blade retention bolt hole. The actions identified are intended to detect a crack in the M/R blade, and prevent failure of the M/R blade and subsequent loss of helicopter control. PURPOSE: Failure to comply with these inspection requirements may result in the loss of a main rotor blade during operation. REVISION: This document supersedes 204-2100-1R2 and Revises Serial Number Effectivity. PART NUMBERS AND SERIAL NUMBERS AFFECTED: 204P2100-101, All Serial Numbers HELICOPTER MODELS AFFECTED: UH-1H Models: JJASPP Engineering Services (R00004RC), Tamarack Helicopters (R00010SE), OAS Parts LLC (H7SO), Rotorcraft Dev. Corp. (H13WE), Southwest Florida Aviation (H6SO), Global Helicopter Technology (R00002RC), Hagglund Helicopters (H15NM), Arrow Falcon Exporters (R00007DE), Richard’s Heavylift Helo Inc. (H3SO), Northwest Rotorcraft (R00005SE) UH-1B Models with STC SR00026DE Installed: Rotorcraft Dev. Corp. (H3NM), Rotorcraft Dev. Corp. (H13WE), San Joaquin Helicopters (H1RM), International Helicopters (H5SO), Richards Heavylift Helo, Inc. (H3SO), OAS Parts LLC (H7SO) TH-1F Models: Rotorcraft Dev. Corp. (H12NM), Tamarack Helicopters (H7NE), Robinson Air Crane, Inc. (R00008AT) UH-1F Models: Rotorcraft Dev. Corp. (H12NM), Tamarack Helicopters (H7NE), Robinson Air Crane, Inc. (R00008AT), AST, Inc (H11SW), California Department of Forestry (H2NM) UH-1P Models: Rotorcraft Dev. Corp. (H12NM), Robinson Air Crane, Inc. (R00008AT) 204B Model: Bell Helicopter Textron, Inc. (H1SW) 205A Model: Bell Helicopter Textron, Inc. (H1SW) 205A-1 Model: Bell Helicopter Textron, Inc. (H1SW) Helicopter Technology Company, LLC NOTICE No.: 204-2100-1R3 Service DATE: 12 December 2017 Notice PAGE: 2 of 2 MAIN ROTOR BLADE ROOT END PERIODIC INSPECTION REQUIREMENTS REFERENCES: 1) Maintenance Manual HTCM-006, Main Rotor Blade (Installation and Maintenance), Revision C, dated May 12, 2015 or later. 2) FAA Airworthiness Directive (AD) 2016-23-09, dated December 27, 2016 3) Technical Manual – Aviation and Intermediate Maintenance Instructions Army Model UH-1H/V/EH-1H/X (TM 55-1520-210-23-1), Headquarters, Department of the Army, Washington, D.C., Change 47, dated 20 September 2005, or later approved revision. 4) Technical Manual – Preventative Maintenance Daily Inspection Checklist (TM 55-1520-210-PMD), Headquarters, Department of the Army, Washington, D.C. 5) Technical Manual – Phased Maintenance Checklist (TM 55-1520-210-PM), Headquarters, Department of the Army, Washington, D.C. 6) Federal Aviation Administration (FAA) Supplemental Type Certificate (STC) Number SR00026DE, Rotorcraft Development Corp., Corvalis, Montana, dated 06 September 2012, or later approved revision. 7) Helicopter Maintenance Manual Supplement No. 1 to Army Model UH-1B Helicopter (Restricted Category), San Joaquin Helicopters, Delano, California. 8) Technical Manual – Organizational Maintenance USAF Models TH-1F, UH-1F, and UH-1P Helicopters - T.O. 1H-1(U)F-2-1, Secretary of the Air Force, Washington, D.C., Change 14, dated 28 April 1988, or later approved revision. 9) Technical Manual – Scheduled Inspection and Maintenance Requirements USAF Series TH-1F, UH-1F, and UH-1P Helicopters - T.O. 1H-1(U)F-2-6, Secretary of the Air Force, Washington, D.C., Change 16, dated 16 February 1988, or later approved revision. 10) Maintenance and Overhaul Instructions – Bell Model 204B – BHT-204B-M&O-1, Bell Helicopter, a Textron Company, Fort Worth, Texas, Revision 10, dated 24 June 2011, or later approved revision. 11) Maintenance Manual – Bell Model 205A-1 – BHT-205A1-MM-1, Bell Helicopter, a Textron Company, Fort Worth, Texas, Revision 7, dated 08 July 2013, or later approved revision. REQUIRED INSPECTIONS: 1) Perform Inspection in accordance with Airworthiness Directive (AD) 2016-23-09 at the interval specified. RECORDING AND COMPLIANCE: Record compliance with these inspections in the Rotorcraft Log Book. POINTS OF CONTACT: For further information and rotor blade disposition, contact Helicopter Technology Company, LLC (HTC) at (310) 523-2750, or FAX (310) 523-2745. www.helicoptertech.com