# SDR SWAA2014022125421

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2014
- Submitted: February 24, 2014
- Operation: Air carrier
- Aircraft: [N168AT](https://openairdocs.org/aircraft/N168AT), registered now
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 32653
- Aircraft time: 32,771 hours, 14,684 cycles
- System (JASC): [2934 · Hydraulic Quantity Sensor](https://openairdocs.org/jasc/2934)
- Part: Transmitter
- Part number: 271A3441
- 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/SWAA2014022125421

## Discrepancy

DIVERSION DURING CRUISE, LT HYD SYS SLOWLY DROPPED TO 51%.  DROPPED AT A RATE OF 15 PER EVERY 4 MINUTES.  R & R A SYS HYD QUANTITY TRANSMITTER, ENG DRIVEN PUMP CASE DRAIN FILTER, A SYS PRESS MODULE FILTERS & RETURN FILTERS IAW MM.

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