# SDR CALA2013112193154

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2013
- Submitted: November 22, 2013
- Operation: Air carrier
- Aircraft: [N204UA](https://openairdocs.org/aircraft/N204UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 28713
- Aircraft time: 66,464 hours, 9,189 cycles
- Engine: Pwa PW4090
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Circuit Card
- Part number: 285W0017102
- Part serial: D01333
- Condition: Faulty
- Location: Hydraulic Sys
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013112193154

## Discrepancy

HYD PUMP DEMAND C2 LOW CTR HYD DEMAND PUMP NR 2 PRESS WHEN COMMANDED ON, OR CTR DEMAND PUMP NR 2 OVERHEATED.  MSG 2910007 INACTIVE ER MODE MSG 2910007 ACTIVE ER MODE.  REPLACED HIDIM CR CARD IN LT CABINET IAW AMM 29-11-50 PG.40, CHECKED OKAY, NO MESSAGES.

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