# SDR YENA20151206628

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2015
- Submitted: December 7, 2015
- Operation: Air carrier
- Aircraft: [N561JB](https://openairdocs.org/aircraft/N561JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1927
- Aircraft time: 51,546 hours, 18,260 cycles
- System (JASC): [7330 · Engine Fuel Indicating System](https://openairdocs.org/jasc/7330)
- Part: Solenoid Valve
- Part number: 5860010108
- Part serial: 1773
- Condition: Inoperative
- Location: Engine
- Part time: 55,807 hours, 20,445 cycles
- Stage of operation: CR
- 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/YENA20151206628

## Discrepancy

RETURNED TO DEPARTURE. ENGINE 1 SURGE AT POWER REDUCTION ALTITUDE, 1000 FT EPR, N1, AND N2 ALL SURGING.  N1 SURGING 1.2 PERCENT UP AND DOWN.  TURNED AUTO THRUST OFF, NO HELP. FOUND STAGE 7B & 7C SOLENOID VALVES INOPERATIVE, FUNCTIONAL TEST FAILED IAW 7-32-53-700-010.  R & R VALVES IAW AMM 75-32-52; RAN ENGINES TO FLIGHT IDLE N1 READINGS 34.3-34-.5;  OPS NORMAL.  OPS CHECK IF FMU NORMAL IAW AMM 73-22-52, OPS CHECK OF ELECTRONIC ENGINE CONTROL NORMAL IAW AMM 73-22-34; ACFT OK FOR SERVICE.

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