# SDR 2009F00023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2009
- Submitted: March 6, 2009
- Operation: General aviation
- Make and model: Airbus A300*
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Bearing
- Condition: Galled
- Location: Boost Pump Motor
- Component: Motor
- Component part number: MT1840
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2009F00023

## Discrepancy

BOOSTER PUMP CIRCUIT BREAKER POPPED, FOUND THAT THE ELECTRICAL MOTOR MAIN SHAFT BRG WORN TO ALLOW IMPELLER TO HIT DIFFUSER CASE, ALLOWING GALLING OF METAL TO METAL, HEATING AND STOPPING PUMP MOTOR. MODIFICATION OF PUMP TO 2052C23 IMPROVES BEARINGS.

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