# SDR SWAA2016042751358

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2016
- Submitted: April 27, 2016
- Operation: Air carrier
- Aircraft: N710SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27844
- Aircraft time: 63,821 hours, 37,945 cycles
- System (JASC): [2934 · Hydraulic Quantity Sensor](https://openairdocs.org/jasc/2934)
- Part: Transmitter
- Part number: 202190101
- Part serial: 183
- Condition: Faulty
- Location: Hydraulic Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2016042751358

## Discrepancy

DIVERSION, SYS A HYD QTY SLOWLY DROPPED FROM 65% TO 57% OVER A 20 MINUTE PERIOD AT CRUISE.  SUSPECTED SYS A HYD LEAK.  R & R A SYS QTY TRANSMITTER IAW MM.

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