# SDR 2002FA0000583

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2002
- Submitted: May 7, 2002
- Operation: General aviation
- Aircraft: N246MF
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C1406
- Engine: Cont GTSIO520*
- System (JASC): [7314 · Engine Fuel Pump](https://openairdocs.org/jasc/7314)
- Part: Spring
- Condition: Misinstalled
- Location: Fuel Pump
- Stage of operation: IN
- How discovered: C
- Nature of condition: L, W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002FA0000583

## Discrepancy

AUXILIARY FUEL PUMP  WAS RECEIVED NEW FROM SUPPLIER.  ONCE INSTALLED , IT FAILED MFG SM CHECK .  WHEN REMOVED FOR BENCH CHECK, IT WAS DISCOVERED, SPRING IN THE OUTLET SIDE IS MISINSTALLED.

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