# SDR 04210533060

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2005
- Submitted: May 5, 2005
- Operation: Air carrier
- Aircraft: [N401MA](https://openairdocs.org/aircraft/N401MA), registered now
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 33060
- Aircraft time: 13,549 hours, 22,259 cycles
- Engine: Pwa PT6T3B
- Engine time: 9,441 hours, 17,494 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 212076011101
- Part serial: 245021
- Condition: Noisy
- Location: Hydraulic Sys
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/04210533060

## Discrepancy

THE AIRCRAFT WAS DECLARED OUT OF SERVICE AFTER LANDING, BECAUSE OF AN UNUSUAL NOISE DURING SHUTDOWN.  ANOTHER COMPANY AIRCRAFT WAS DISPATCHED TO COMPLETE THE TRANSPORT.  NR 2 HYDRAULIC PUMP MAKING LOUD NOISE. REPLACED NR 2 HYDRAULIC PUMP.  OPS CHECK GOOD, FLIGHT CHECK GOOD.

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