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AD 47-41-05 ACTIVE

Gimbal Ring Bearing Seals
Key Information
AD Number 47-41-05 Status Active
Effective Date Not specified Issue Date Not specified
Docket Number Unknown Amendment N/A
Product Type ["Aircraft"] Product Subtype ["Rotorcraft"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) Scotts-Bell 47 Inc
Model(s) 47B 47B3
Regulatory Text

47-41-05 BELL: (Was Mandatory Note 17 of AD-1H-2.) Applies to All Models in 47B Series, Through Serial Number 78.

Compliance required at next 100-hour inspection.

In order that the bearings will be securely locked in the gimbal ring, the fiber bearing seals should be replaced with steel bearing seals, P/N 27-120-127-1.

This alteration is covered by Bell Service Bulletin 47C30 dated July 10, 1947.