# Proposed AD 2000-NE-04-AD: Rolls-Royce plc RB211-535 Series Turbofan Engines

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2000-09-14
- Action: Notice of proposed rulemaking (NPRM).
- Published: March 23, 2000, 65 FR 15584
- Comments due: April 24, 2000
- Became: [AD 2000-09-14](https://openairdocs.org/ad/2000-09-14)
- Docket: 2000-NE-04-AD
- FR document: 00-7226
- Official PDF: https://openairdocs.org/files/sha256/07/47/07474f107551ad5253ea1ee5ddb554f7cdac925845f44771b503721fead864de (from https://www.govinfo.gov/content/pkg/FR-2000-03-23/pdf/00-7226.pdf)
- Federal Register: https://www.federalregister.gov/documents/2000/03/23/00-7226/airworthiness-directives-rolls-royce-plc-rb211-535-series-turbofan-engines
- Page: https://openairdocs.org/proposed/2000-NE-04-AD

## Summary

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to Rolls-Royce plc RB211-535 series turbofan engines. This proposal would remove from service suspect radial drive steady bearings with certain serial number prefixes, and replace them with serviceable parts. Reports of a number of radial drive steady bearing failures from distinct batches of parts prompted this proposal. The actions specified by the proposed AD are intended to prevent radial drive steady bearing failure, which could result in an in-flight engine shutdown and smoke and fumes in the cabin.

## Notices in this docket

- Mar 23, 2000: Notice of proposed rulemaking (NPRM). (first notice), FR document 00-7226, comments due Apr 24, 2000 (https://www.federalregister.gov/documents/2000/03/23/00-7226/airworthiness-directives-rolls-royce-plc-rb211-535-series-turbofan-engines)

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