# Airworthiness Directives; The New Piper Aircraft, Inc. Models PA-34-200T, PA-34-220T, PA-44-180, and PA-44-180T Airplanes
> **Rule** · Final rule; request for comments. · Published 2005-07-26 · Effective 2005-08-26 · 70 FR 43029
## Document
- **Document number:** 05-14389
- **Category:** airworthiness
- **Manufacturer:** The New Piper
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 70 FR 43029
- **Publication date:** 2005-07-26
- **Effective date:** 2005-08-26
- **FAA docket:** Docket No. FAA-2005-21590
## Abstract

The FAA adopts an airworthiness directive (AD) to supersede AD 2003-11-14, which applies to certain The New Piper Aircraft, Inc. (Piper) Models PA-34-200T, PA-34-220T, PA-44-180, and PA-44-180T airplanes that have a model 91E92-1 or model 91E93-1 combustion heater fuel pump installed. AD 2003-11-14 currently requires you to do a one- time inspection of the combustion heater fuel pumps for fuel leakage. If leakage is found, repair or replace the fuel pump. This AD retains all the actions of AD 2003-11-14 and includes additional serial numbers for the Models PA-34-220T and PA-44-180 airplanes in the applicability section. This AD results from an investigation that concluded that after the issuance of AD 2003-11-14, additional fuel pumps that did not meet the quality control (inspection or design) requirements of the AD had been installed in Models PA-34-220T and PA-44-180 airplanes. We are issuing this AD to correct quality control problems with the heater fuel pump, which could result in failure of the heater fuel pump. Such failure could lead to fire or explosion in the cockpit.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/07/26/05-14389/airworthiness-directives-the-new-piper-aircraft-inc-models-pa-34-200t-pa-34-220t-pa-44-180-and)
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