# SDR CALA2022021600406

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2022
- Submitted: February 16, 2022
- Operation: Air carrier
- Aircraft: [N457UA](https://openairdocs.org/aircraft/N457UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1146
- Aircraft time: 68,331 hours, 28,978 cycles
- System (JASC): [2931 · Hydraulic Pressure Indicator](https://openairdocs.org/jasc/2931)
- Part: Reservoir
- Part number: NA
- Condition: Low
- Location: Yellow System
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022021600406

## Discrepancy

*EMERGENCY* Y RSVR LO LVL DISPLAYED ON UPPER ECAM SCREEN. - HYD ECAM HYD Y RSVR LO LVL CREW REPORTS NO ALTERNATE EXTEND REPLACED YELLOW SYSTEM LOW LEVEL SWITCH PER AMM 29-13-41. ECAM MESSAGE CLEARED NO FURTHER ISSUES ADD EMP:U377618 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1055405  SN OFF 1305 SWITCH, HYDRAUL  OFF 31-2911-9-9001 1305 ON 31-2911-9-9001 4832

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