# SDR IPXA2018052429954

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2018
- Submitted: May 25, 2018
- Operation: Air carrier
- Aircraft: [N146UP](https://openairdocs.org/aircraft/N146UP), 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: 0829
- Aircraft time: 16,767 hours, 10,969 cycles
- System (JASC): [2930 · Hydraulic Indicating System](https://openairdocs.org/jasc/2930)
- Part: Fwc
- Condition: Crazed
- Location: Press Ind
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2018052429954

## Discrepancy

INCREASE AT FL 320, 3 HOURS INTO FLT CHECKED ECAM SUNOPTICS AND FOUND ALL 3 HYD PRESSURES LOW. BLUE = 1500, GRN = 1500, YELLOW =1600. PRESSURES - 100. DVERTED. ON LDG, PRESSURE BLUE & GRN = 2850, YELLOW 300 PSI. RESET SDAC & CYCLED-TROUBLESHOT PER ASM 29-32-00 DETERMINED 1WV FAULTING FOR PRESS IND FWC DID NOT FLAG ANY OTHER INDICATIONS. REMOVE AND REPLACED SDAC PER AMM 31-55-22 / 401 OPS CKS OK PER AMM 31-51-00 / 501. IPC 31-55-08-02, ITEM OIOC.

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