# Airworthiness Directives; The New Piper Aircraft, Inc., Models PA-46-310P and PA-46-350P Airplanes
> **Rule** · Final rule. · Published 2000-05-25 · Effective 2000-07-28 · 65 FR 33745
## Document
- **Document number:** 00-13083
- **Category:** airworthiness
- **Manufacturer:** The New Piper
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 65 FR 33745
- **Publication date:** 2000-05-25
- **Effective date:** 2000-07-28
- **FAA docket:** Docket No. 98-CE-112-AD
## Abstract

This amendment revises Airworthiness Directive (AD) 99-15-04, which currently requires you to calibrate, inspect, and repair or replace portions of the turbine inlet temperature system on all The New Piper Aircraft, Inc. (New Piper) Models PA-46-310P and PA-46-350P airplanes (different actions for different airplane models). Information reveals that the AD should not apply to airplanes where the factory installed turbine inlet temperature gauge and associated probe have been replaced through supplemental type certificate (STC). This AD retains the actions of AD 99-15-04, and restricts the applicability accordingly. The actions specified by this AD are intended to prevent improper engine operation caused by improperly calibrated turbine inlet temperature indicators or defective turbine inlet temperature probes, which could result in engine damage/failure with consequent loss of control of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/05/25/00-13083/airworthiness-directives-the-new-piper-aircraft-inc-models-pa-46-310p-and-pa-46-350p-airplanes)
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