# SDR FDEA201107082612

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2011
- Submitted: July 8, 2011
- Operation: Air carrier
- Aircraft: N423FE
- Make and model: Airbus A310-203
- Registry model: [Airbus A310-203](https://openairdocs.org/model/airbus-industrie-a310-203) (OpenAirDocs)
- Aircraft serial: 281
- Aircraft time: 41,200 hours, 18,966 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Transfer Sys
- Part number: 571191
- Part serial: MX377539
- Condition: Leaking
- Location: Hyd System
- Stage of operation: DE
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201107082612

## Discrepancy

INFLIGHT YELLOW SYS RESERVOIR DECREASED TO RED  DOT.  FLUCTUATED SOME BUT NEVER WENT OUT OF YELLOW  BAND.  R & R GREEN/YELLOW POWER TRANSFER UNIT AS REQUIRED IAW MM 29-23-11-04.

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