AD 79-23-07

final rule
Data completeness: 70%

Airworthiness Directives; Bell 47G Series Helicopters

AD Number
79-23-07
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Scotts-Bell 47 Inc 47G Airworthiness Directives; Bell 47G Series Helicopters
aircraft Scotts-Bell 47 Inc 47G-2 Airworthiness Directives; Bell 47G Series Helicopters
aircraft Scotts-Bell 47 Inc 47G-2A Airworthiness Directives; Bell 47G Series Helicopters
aircraft Scotts-Bell 47 Inc 47G-2A-1 Airworthiness Directives; Bell 47G Series Helicopters
aircraft Scotts-Bell 47 Inc 47G-3 Airworthiness Directives; Bell 47G Series Helicopters
aircraft Scotts-Bell 47 Inc 47G-3B Airworthiness Directives; Bell 47G Series Helicopters
aircraft Scotts-Bell 47 Inc 47G-3B-1 Airworthiness Directives; Bell 47G Series Helicopters
aircraft Scotts-Bell 47 Inc 47G-3B-2 Airworthiness Directives; Bell 47G Series Helicopters
aircraft Scotts-Bell 47 Inc 47G-3B-2A Airworthiness Directives; Bell 47G Series Helicopters
aircraft Scotts-Bell 47 Inc 47G-4 Airworthiness Directives; Bell 47G Series Helicopters

Unsafe Condition

Non-magnetic stainless steel rod ends (NMB Inc. P/N AH FTL5 or Soloy P/N 100-2205-2B) may fail due to fatigue cracking, posing a risk of engine separation.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect turbine engine mount rod ends within 25 hours time-in-service after the effective date. Replace non-magnetic rod ends with Heim P/N HFL-5M or Soloy P/N 100-2205-1B within 25 hours time-in-service. Return suspect rod ends to Soloy Conversions within 30 days after removal.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within 25 hours time-in-service after the effective date of this AD

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Bell 47G series helicopters converted to turbine power via Soloy Conversions, Ltd. STC SH657NW

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for Scotts-Bell 47 Inc 47G

Related Airworthiness Directives

98-07-09

final rule

Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters

Unsafe Condition: Stabilizer Bar Damper Link Assembly

Effective: May 6, 1998 Category: aircraft

96-06-12

final rule

Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47-K Helicopters

Unsafe Condition: Inspect Tail Rotor Blade & Abrasion Strip

Effective: May 29, 1996 Category: aircraft

91-20-10

final rule

Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 47G2, 47G2A, 47G2A1, 47G3, 47G3B1, 47G3B2, 47G3B2A, 47G4, 47G4A, 47G5, 47G5A, 47J, 47J2, and 47J2A Helicopters

Unsafe Condition: Main Rotor Grip

Effective: Nov 14, 1991 Category: aircraft

85-15-04

final rule

Airworthiness Directives; BELL HELICOPTER TEXTRON, INC., HAWKEYE ROTOR AND WING, TEXAS HELICOPTER CORPORATION Model 47B, 47B3, 47D, 47D1, 47E, 47G, 47H-1, 47G-3, and U.S. Army OH-13E Helicopters

Unsafe Condition: Tail Rotor Blade Yolk P/N 74-641-057-9

Effective: Jan 8, 1986 Category: aircraft

View all Scotts-Bell 47 Inc ADs →