# Airworthiness Directives; Fokker Model F27 Series Airplanes Equipped With Rolls-Royce 532-7 “Dart 7” (RDa-7) Series Engines
> **Rule** · Final rule; request for comments. · Published 2000-04-18 · Effective 2000-04-18 · 65 FR 20719
## Document
- **Document number:** 00-9110
- **Category:** airworthiness
- **Manufacturer:** Fokker Model F27 Series
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 65 FR 20719
- **Publication date:** 2000-04-18
- **Effective date:** 2000-04-18
- **FAA docket:** Docket No. 2000-NM-95-AD
## Abstract

This amendment supersedes an existing airworthiness directive (AD), applicable to certain Fokker Model F27 series airplanes, that currently requires revising the Airplane Flight Manual (AFM) to provide the flightcrew with modified operational procedures to ensure continuous operation with the high pressure cock (HPC) levers in the lockout position. This amendment retains the requirements of the existing AD for the Normal and Abnormal Procedures Sections of the AFM, and requires incorporation of amended Limitations and Emergency Procedures Sections into the AFM. This amendment is prompted by a report that certain incorrect instructions had been included in the Emergency Procedures Section of the AFM revision required by the existing AD. The actions specified in this AD are intended to ensure that flightcrews follow correct procedures that will maintain the HPC levers in a permanent lockout position to prevent consequent burnout of the engines during flight.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/04/18/00-9110/airworthiness-directives-fokker-model-f27-series-airplanes-equipped-with-rolls-royce-532-7-dart-7)
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