# SDR YENA20140409072

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2014
- Submitted: April 9, 2014
- Operation: Air carrier
- Aircraft: [N529JB](https://openairdocs.org/aircraft/N529JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1610
- Aircraft time: 50,403 hours, 17,860 cycles
- System (JASC): [2917 · Hydraulic Pressure Regulator, Main](https://openairdocs.org/jasc/2917)
- Part: Pressure Switch
- Part number: HTE6900351
- Part serial: 21897
- Condition: Failed
- Location: Hyd System
- Part time: 50,403 hours, 17,860 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/YENA20140409072

## Discrepancy

DECLARED AN EMERGENCY AND ACFT RETURNED TO DEPARTURE, FOR A HYD GREEN RESERVOIR LOW AIR PRESSURE ECAM DURING CRUISE. GREEN, ENG 1, PUMP FAULT LIGHT & PTU FAULT LIGHT ON. COMPLIED WITH ECAM OR QRH PROCEDURES. ON DESCENT TURNED ENG 1 PUMP ON TO RESTORE GREEN SYS.  NORMAL LANDING.  CONFIRMED THAT SYS PRESSURES, ALL & QTYS REMAINED NORMAL EXCEPT LOW PRESSURE GREEN WHEN TURNED OFF IAW QRH.  NO FLUCTUATIONS WERE OBSERVED.  APPLIED TSM 29-11-00-810-801-A.  CONCLUDED A BAD INTERMITTENT AIR PRESSURE SWITCH, 1384GH.  R & R. OPS NORMAL IAW AMM 29-34-11. NO LEAKS NOTED.

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