# SDR 2004UALA00367

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2004
- Submitted: April 27, 2004
- Operation: Air carrier
- Aircraft: [N453UA](https://openairdocs.org/aircraft/N453UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1001
- Aircraft time: 17,465 hours, 6,286 cycles
- Engine: Iae V2527A5
- System (JASC): [2920 · Hydraulic System, Auxiliary](https://openairdocs.org/jasc/2920)
- Part: Line
- Condition: Loose
- Location: Ram Air Turbine
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004UALA00367

## Discrepancy

RAM AIR TURBINE DEPLOYED BUT DID NOT PROVIDE BLUE HYDRAULIC PRESSURE DURING ROUTINE MAINTENANCE TEST.  NO EMERGENCY GENERATOR POWER AVAILABLE VIA RAT. FOUND LOOSE B-NUT AT RAT MODULE, TIGHTEN LINE.  REMOVED AND REPLACED RAT GROUND CHECK MODULE. OPERATIONS CHECK NORMAL

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