# SDR AALA201906249002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2019
- Submitted: June 24, 2019
- Operation: Air carrier
- Aircraft: N201UU
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27810
- Aircraft time: 78,007 hours, 26,356 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Shuttle Valve
- Condition: Leaking
- Location: Hyd System
- Stage of operation: LD
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201906249002

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS RT HYD QUANTITY DROPPED TO 0.17 FROM FULL. RT HYD PRESS DROPPED TO ZERO ON LANDING W/ REVERSOR DEPLOYMENT. RSVR LIGHT ILLUMINATED & RED RF INDICATOR. MAINTENANCE REMOVED AND REPLACED L/H R/H ANTI SKID VALVE MODULE IAW AMM 32-42-07-401. LEAK CHECK GOOD.

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