# SDR USAAD00083

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2000
- Submitted: June 22, 2000
- Operation: Air carrier
- Aircraft: N827US
- Make and model: Doug DC-9-81(MD-81)
- Registry model: [Doug DC-9-81(MD-81)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-81-md-81) (OpenAirDocs)
- Aircraft serial: 48049
- System (JASC): [2760 · Drag Control System](https://openairdocs.org/jasc/2760)
- Part: Valve
- Part number: 1474252
- Condition: Leaking
- Location: Rt Mlg Ww
- Part time: 40,733 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAAD00083

## Discrepancy

BNA-PHL - FLT 478 - DURING CLIMB-OUT, THE RIGHT HYDRAULIC SYSTEM QUANTITY WAS LOST.  THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT.  A MANUAL LANDING GEAR EXTENSION WAS REQUIRED.  MAINTENANCE REPLACED THE RIGHT SPOILER CONTROL VALVE.  (M)

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