# SDR CA090807007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2009
- Submitted: October 23, 2009
- Operation: General aviation
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft time: 28,094 hours
- Engine: Pwa PW120
- Propeller: Hamstd 14SF5
- System (JASC): [2923 · Hydraulic Pump, Auxiliary](https://openairdocs.org/jasc/2923)
- Part: Pump
- Part number: 42053
- Condition: Unknown
- Location: Hyd System
- Part time: 514 hours
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA090807007

## Discrepancy

(CAN) AUX HYD PUMP POPPING NORMAL SUPPLY CIRCUIT BREAKER DURING GROUND OPERATIONS.

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