# SDR AALA20121209014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2012
- Submitted: December 11, 2012
- Operation: Air carrier
- Aircraft: [N561AA](https://openairdocs.org/aircraft/N561AA), 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: 53091
- Aircraft time: 61,207 hours, 31,656 cycles
- System (JASC): [2761 · Drag Control Actuator](https://openairdocs.org/jasc/2761)
- Part: O-Ring
- Condition: Damaged
- Location: Spoiler Actuator
- Stage of operation: DE
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20121209014

## Discrepancy

DFW - CREW REPORTED LOSS OF LEFT HYDRAULIC SYSTEM PRESSURE AND QUANTITY LOSS IN FLIGHT.  EMERGENCY DECLARED FLIGHT LANDED DFW WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  REPLACED O-RING ON MIDDLE FITTING ON NUMBER 2 SPOILER ACTUATOR ON LEFT WING.  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.
