# SDR IPXA2021072271955

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2021
- Submitted: July 22, 2021
- Operation: Air carrier
- Aircraft: [N142UP](https://openairdocs.org/aircraft/N142UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0825
- Aircraft time: 23,090 hours, 14,142 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Pressure Switch
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CR
- 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/IPXA2021072271955

## Discrepancy

INSPECTION TYPE:N/A**DIVERSION** NO EMERG** AC LANDED WITHOUT INCIDENT** ABOUT AN HOUR INTO FLT NOTICED BLUE HYD QTY DECREASING. AT THE RED DOT ECAM "BLUE HYD LO QTY " MSG. C/W ECAM AND AOM PROCEDURES FOR THE LO QTY AND THE BLUE HYD LO PRESSURE.FOUND YAW DAMPER PRESSURE SWITCH PACKING LEAKING. R&R YAW DAMP PRESSURE SWITCH IAW AMM22-23-22 PB 401. LEAK CHECK GOOD. OPERATIONAL CHECK GOOD.

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