# Airworthiness Directives; International Aero Engines AG (IAE) V2522-A5, V2524-A5, V2527-A5, V2527E-A5, V2527M-A5, V2530-A5, and V2533-A5 Turbofan Engines
> **Rule** · Final rule. · Published 2006-12-04 · Effective 2007-01-08 · 71 FR 70294
## Document
- **Document number:** E6-20323
- **Category:** airworthiness
- **Manufacturer:** International Aero
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 71 FR 70294
- **Publication date:** 2006-12-04
- **Effective date:** 2007-01-08
- **FAA docket:** Docket No. FAA-2006-26013
## Abstract

The FAA is superseding an existing airworthiness directive (AD) for certain IAE V2522-A5, V2524-A5, V2527-A5, V2527E-A5, V2527M- A5, V2530-A5, and V2533-A5 turbofan engines. That AD currently requires initial and repetitive inspections of the master magnetic chip detector (MCD) or the No. 1, 2, 3 bearing chamber MCD. This AD requires the same MCD inspections. This AD also requires removing certain No. 3 bearings and removing certain high pressure compressure (HPC) stubshaft assemblies as mandatory terminating actions to the repetitive MCD inspections. This AD results from IAE developing a terminating action to the repetitive inspections of the chip detectors, and from expanding the applicability to include additional serial-numbered engines with certain No. 3 bearings installed. We are issuing this AD to prevent failure of the No. 3 bearing, which could result in an in-flight shutdown (IFSD) and smoke in the cockpit and cabin.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/12/04/E6-20323/airworthiness-directives-international-aero-engines-ag-iae-v2522-a5-v2524-a5-v2527-a5-v2527e-a5)
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