# SDR AALA2009062400007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2009
- Submitted: July 3, 2009
- Operation: Air carrier
- Aircraft: [N274AA](https://openairdocs.org/aircraft/N274AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49271
- Aircraft time: 72,582 hours, 38,735 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Condition: Sheared
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2009062400007

## Discrepancy

DFW - AFTER TAKEOFF RIGHT ENGINE DRIVEN HYDRAULIC PUMP FAILED AND THE NUMBER 2 AUTOPILOT FAILED.  EMERGENCY DECLARED, RETURNED DFW WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  FOUND NUMBER 2 ENGINE DRIVEN PUMP SHAFT SHEARED.  REPLACED NUMBER 2 ENGINE DRIVEN PUMP.  SYSTEM GROUND CHECK NORMAL OPERATION.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.