# SDR 98ZZZX2718

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N4617A
- Make and model: Cessna P210N
- Registry model: [Cessna P210N](https://openairdocs.org/model/cessna-p210n) (OpenAirDocs)
- Aircraft serial: P21000809
- Engine: Cont TSIO520AF
- System (JASC): [7310 · Engine Fuel Distribution](https://openairdocs.org/jasc/7310)
- Part: Line
- Part number: 63521854S1200
- Condition: Failed
- Location: Fuel Pump
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX2718

## Discrepancy

DURING TEST FLIGHT AFTER INSTALLING FACTORY REBUILT ENG, FUEL PRESS DROPPED FROM REQUIRED 186 POUNDS PER/HR TO 80 POUNDS PER/HR.  A SAFE PRECAUTIONARY LANDING WAS EXECUTED.  UPON EXITING RUNWAY, ENG STOPPED RUNNING WITHOUT PULLING THE MIXTURE.  EXITING ACFT, FUEL FOUND RUNNING FROM LOWER COWL.  REMOVING COWL AND INSPECTING FUEL SYSTEM, DISCOVERED B-NUT ON HIGH PRESS FUEL LINE FROM FUEL PUMP TO FUEL CONTROL WHICH IS INSTALLED BY FACTORY, LOOSE.  THIS NUT WAS MARKED WITH ANTI-TAMPER PAINT BY THE FACTORY AND WAS INSPECTED AND FOUND TIGHT.  PREVIOUS TO FLT, FULL POWER RUN-UPS AND FUEL FLOW CHECKS PERFORMED IAW FACTORY GUIDE LINES FOR ENG.  POST-RUN EXAM REVEALED NO LEAKS.

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