# SDR YHLR200500001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2005
- Submitted: November 23, 2005
- Operation: General aviation
- Aircraft: N2668Q
- Make and model: Piper PA-28-181
- Registry model: [Piper PA-28-181](https://openairdocs.org/model/piper-pa-28-181) (OpenAirDocs)
- Aircraft serial: 287790414
- Engine: Lyc O360*
- System (JASC): [3457 · Global Positioning System](https://openairdocs.org/jasc/3457)
- Part: Gps
- Part number: 0100013911
- Part serial: 97105495
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YHLR200500001

## Discrepancy

CUSTOMER STATED THAT THE GNS-430 DISPLAY WAS NO LONGER WORKING AND THAT THE CDI WAS PEGGED LT AT ALL TIMES. SENT UNIT OUT FOR REPAIR. ALSO FOUND UPON INSPECTION OF THE GNS-430 INSTALLATION, IT WAS NOTED THAT REPAIR STATION HAD NOT INSTALLED AN AVIONICS COOLING FAN IAW THE INSTALLATION MANUAL. AN AVIONICS COOLING FAN WAS INSTALLED UPON RECEIVING THE GNS-430 BACK FROM REPAIR. THE PROBLEM WITH THE GNS-430 WOULD HAVE BEEN PREVENTED IF AN AVIONICS FAN HAD BEEN INSTALLED IAW THE REQUIREMENTS FOR COOLING AS STATED IN THE INSTALLATION MANUAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.