# SDR SWIA2020040749988

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2020
- Submitted: April 7, 2020
- Operation: Air carrier
- Aircraft: [N273SY](https://openairdocs.org/aircraft/N273SY), registered now
- Make and model: Emb ERJ 170-200 LL
- Registry model: [EMB ERJ 170-200 LL](https://openairdocs.org/model/embraer-s-a-erj-170-200-ll) (OpenAirDocs)
- Aircraft serial: 17000735
- Aircraft time: 4,529 hours, 2,891 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic Line
- Condition: Failed
- Location: Hydraulic Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J, G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA2020040749988

## Discrepancy

IN CRUISE FLIGHT GOT A HYDRAULIC SYSTEM 2 ADVISORY MESSAGE -LOW QUANTITY.  QUANTITY WAS INDICATING 20 PERCENT.  OVER THE NEXT 10 MINUTES QUANTITY WENT TO 0 AND WE COMPLETELY LOST SYSTEM 2. COMPLETED QRH PROCEDURE AND DIVERTED TO SFO PER MAINTENANCE REQUEST.  GEAR WAS MANUALLY EXTENDED AND A NORMAL LANDING WAS COMPLETED.  WE WERE TOWED TO THE GATE.  FLUID WAS AT ZERO FOR 25 MINUTES.  FLIGHT 3570 - FILED CLOSED   FOUND THE #2 ENGINE DRIVEN PUMP NACELLE PRESSURE LINE TO HAVE A CRACK IN  IT AT THE LOWER B-NUT  FITTING AREA REMOVED AND REPLACED THE HYDRAULIC SYSTEM EDP PRESSURE NACELLE LINE ASSY IN REFERENCE TO THE ERJ 175 AMM. SERVICED THE #2 HYDRAULIC SYSTEM RESERVOIR IN REFERENCE TO THE ERJ 175 AMM PERFORMED LEAK CHECKS NO LEAKS NOTED. ALSO   PERFORMED THE ENGINE -DRIVEN PUMP RUNS DRY INSPECTION/CHECK REFERENCE FORWARD DISCREPANCY  PLEASE REFERENCE AML 414520  PLEASE REFERENCE AML 414521 FOR MX PERFORMED

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