EASA Regulations for Bell 204B

6 airworthiness directives and regulations affecting Bell 204B.

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New ADs and bulletins for Bell 204B, summarized like the ones below, every Monday.

EASA AD US-2022-20-14

Nov 29, 2022

Main Rotor Drive - Main Transmission Housing Assembly - Inspection

Airworthiness Directive 2022-20-14 is a final rule issued by the Federal Aviation Administration addressing Bell Textron Inc. helicopters including models 204B, 205A, 205A-1, 205B, 210, 212, 412, 412CF, 412EP, and various restricted category helicopters. This directive mandates repetitive inspections of the main transmission housing assembly for cracks, corrosion, and pitting due to reported cracks in the main transmission support case. The directive aims to ensure continued airworthiness and safety of these helicopter models by identifying and correcting potential structural issues.

Airworthiness Directive
  • Bell Textron Inc. (Bti) 204B
  • Bell Textron Inc. (Bti) 205
  • Bell Textron Inc. (Bti) 210
  • Bell Textron Inc. (Bti) 212
  • Bell Textron Inc. (Bti) 412
  • Bell 204B
  • Bell 205A1
  • Bell 205B
  • Bell 210
  • Bell 212
  • Bell 412
  • Bell 412CF
  • Bell 412EP

EASA AD US-2022-21-11

Oct 17, 2022

Main Rotor - Blades - Inspection / Removal from Service

The Federal Aviation Administration Airworthiness Directive 2022-21-11 is a final rule addressing certain Bell Textron Inc. Model 204B, 205A, and 205A-1 helicopters, as well as various restricted category helicopters equipped with specific main rotor blade part numbers. This directive mandates repetitive inspections of main rotor blades to detect cracks and requires removal from service of any cracked blades to ensure continued airworthiness.

Airworthiness Directive
  • Bell Textron Inc. (Bti) 204B
  • Bell Textron Inc. (Bti) 205
  • Bell 204B
  • Bell 205A1

EASA AD US-2022-06-03

Mar 15, 2022

Main Rotor - Hub Strap Pins - Removal / Inspection

The Federal Aviation Administration's Airworthiness Directive 2022-06-03 addresses safety concerns for Bell Textron Inc. helicopters, specifically Models 204B, 205A, 205A-1, 205B, 210, and 212 equipped with main rotor hub strap pins part number 204-012-104-005 with serial number prefix "FNFS". This directive mandates removal and inspection of all affected pins, both outboard and inboard, to prevent potential main rotor blade detachment. It also requires removing the mating strap fitting if any deformation is found on the pins.

Airworthiness Directive
  • Bell Textron Inc. (Bti) 204B
  • Bell Textron Inc. (Bti) 205
  • Bell Textron Inc. (Bti) 210
  • Bell Textron Inc. (Bti) 212
  • Bell 204B
  • Bell 205A1
  • Bell 205B
  • Bell 210
  • Bell 212

EASA AD US-2020-19-08

Oct 14, 2020

Main Rotor - Main Rotor Hub Tension-torsion Strap Assembly - Life Limit / Removal

Federal Register Volume 85, Number 180 (September 16, 2020) is a final rule airworthiness directive issued by the FAA addressing Bell Textron Inc. Model 204B, 205A-1, and 212 helicopters. It focuses on the main rotor hub tension-torsion strap assembly part number 204-012-112-005 due to corrosion issues. The directive mandates reducing the life limit of this TT strap assembly and prohibits its installation on any helicopter.

Airworthiness Directive
  • Bell Textron Inc. (Bti) 204B
  • Bell Textron Inc. (Bti) 205
  • Bell Textron Inc. (Bti) 212
  • Bell 204B
  • Bell 205A-1
  • Bell 212

EASA AD US-2018-02-08

Feb 1, 2018

Main Rotor - Blades - Cleaning / Inspection / Repair / Replacement

Federal Register Volume 83, Number 11 (January 17, 2018) is a final rule airworthiness directive (AD 2018-02-08) issued by the FAA for Bell Helicopter Textron Model 204B, 205A, and 205A-1 helicopters equipped with Helicopter Technology Company (HTC) main rotor blade part number 204P2100-101. The directive mandates cleaning, visual inspection, and depending on findings, repair or replacement of the main rotor blades to address fatigue cracks in the grip plate and doublers near the blade retention bolt hole. This AD aims to prevent potential blade failure and loss of helicopter control.

Airworthiness Directive
  • Bell Textron Inc. (Bti) 204B
  • Bell Textron Inc. (Bti) 205
  • Bell 204B
  • Bell 205A1

EASA SIB 2007-25

Dec 6, 2010

WITHDRAWN / CANCELLED - TRANSPORT CANADA AD CF-2007-21R1 AND FAA AD 2007-19-53 HAVE BEEN ADOPTED BY EASA

The document titled 'WITHDRAWN / CANCELLED - TRANSPORT CANADA AD CF-2007-21R1 AND FAA AD 2007-19-53 HAVE BEEN ADOPTED BY EASA' is an EASA Safety Information Notice 2007-25 issued on 2007-09-17. It addresses tail rotor blade safety issues on various Bell helicopter models including the 204B, 205 series, 206 series, 206L series, 212, 222 series, 230, 407, 412 series, 427, and 430. The notice references Transport Canada Emergency AD CF-2007-2L1 and FAA Emergency AD 2007-19-53, which require inspections and corrective actions for tail rotor blades with missing balance weight screws.

Safety Information Bulletin
  • Bell 204B
  • Bell 205
  • Bell 206
  • Bell 206L
  • Bell 212
  • Bell 222
  • Bell 230
  • Bell 407
  • Bell 412
  • Bell 427
  • Bell 430