# Airworthiness Directives; Rolls-Royce plc Models Spey 506-14A, 555-15, 555-15H, 555-15N, and 555-15P Turbojet Engines
> **Rule** · Final rule. · Published 2002-09-11 · Effective 2002-10-16 · 67 FR 57514
## Document
- **Document number:** 02-22758
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 67 FR 57514
- **Publication date:** 2002-09-11
- **Effective date:** 2002-10-16
- **FAA docket:** Docket No. 2001-NE-14-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), that is applicable to Rolls-Royce plc (RR) Spey 506-14A, 555-15, 555-15H, 555-15N, and 555-15P turbojet engines. This amendment requires replacing certain stage 2 low pressure turbine (LPT) blades with new redesigned stage 2 LPT blades. This amendment is prompted by several reports of failures of stage 2 LPT blades. The actions specified by this AD are intended to prevent failure of the stage 2 LPT blades, which could result in an engine shutdown.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/09/11/02-22758/airworthiness-directives-rolls-royce-plc-models-spey-506-14a-555-15-555-15h-555-15n-and-555-15p)
---
*AI Analytics · CC0 1.0*