# SDR UALA2013043003020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2013
- Submitted: May 15, 2013
- Operation: Air carrier
- Aircraft: N546UA
- Make and model: Boeing 757222
- Aircraft serial: 25367
- Aircraft time: 79,907 hours, 23,202 cycles
- Engine: Pwa PW2037
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Pressure Switch
- Part number: 211C223327
- Part serial: P01064C
- Condition: Faulty
- Location: Hyd System
- Stage of operation: IN
- How discovered: V
- Nature of condition: P
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013043003020

## Discrepancy

AFTER SHUTDOWN AT GATE,  RT ENGINE HYDRAULIC SWITCH PRESSURE LIGHT WILL NOT ILLUMINATE.  REMOVED AND REPLACED RIGHT ENGINE EDP PRESSURE SWITCH REF AMM.  LEAK AND OPS CHECKED.

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