# SDR TRB2005F00004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2005
- Submitted: July 28, 2005
- Operation: Air carrier
- Aircraft: [N448AM](https://openairdocs.org/aircraft/N448AM), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 448
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Part number: NTA152504
- Condition: Damaged
- Location: Hyd System
- Stage of operation: AP
- 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/TRB2005F00004

## Discrepancy

ON FINAL APPROACH, HYDRAULIC BLUE SYSTEM LOW PRESSURE INDICATION CAME ON.  AIRCRAFT LANDED WITHOUT PROBLEM.  REPLACED HYDRAULIC MODULE  PRESSURE SWITCH O-RING THAT WAS FOUND LEAKING.  (M)

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