# SDR UG8A2014032001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2014
- Submitted: March 20, 2014
- Operation: Air carrier
- Aircraft: [N156UM](https://openairdocs.org/aircraft/N156UM), registered now
- Make and model: Urocop EC 155B
- Registry model: [Urocop EC 155B](https://openairdocs.org/model/eurocopter-ec-155b) (OpenAirDocs)
- Aircraft serial: 6935
- Aircraft time: 731 hours, 2,391 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic Line
- Part number: 704A34413466
- Condition: Ruptured
- Location: Hydraulic Sys
- Part time: 731 hours, 2,391 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UG8A2014032001

## Discrepancy

REPLACED RUPTURED HYD LINE PN 704A34413466, ALSO REPLACED HYD LINE PN 704A34413447 FOR MAINTENANCE CONVENIENCE.  REPLACED HYDRAULIC PUMP PN C24999010-0, SN OFF Y00098, SN ON Y00078.  SERVICED SYS TO CAPACITY. GND RUN, BLEED & LEAK CHECKED OK.

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