# SDR IPXA2019050941939

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2019
- Submitted: May 10, 2019
- Operation: Air carrier
- Aircraft: [N458UP](https://openairdocs.org/aircraft/N458UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25479
- Aircraft time: 28,628 hours, 17,994 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic Line
- Condition: Not Reported
- Location: Hydraulic Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2019050941939

## Discrepancy

INSPECTION TYPE:N/A AIR TURN BACK - LT HYDRAULIC SYSTEM LOSS OF QUANTITY AND PRESSURE.  PASSING 8000 FT. LEFT HYD. QTY EICAS FOLLOWED BY L HYD ENG PUMP EICAS AND L HYD SYS PRESS. HYD QTY 0.0 ON STATUS PAGE. ATB ACCOMPLISHED WITH ALTERNATE FLAP EXT AND ALTERNATE EXTENSION PROCEDURES. REPLACED LT GEAR DOWNLOCK ACT. PRESSURE LINE PER AMM 20-10-10-404-001. ACCOMPLISHED LEAK CHECK PER AMM 32-32-02-404-010 OPS AND LEAK CHECK OK. RETURN FLT CONTROLS TO NORMAL POSITION.  AIRCRAFT OK FOR SERVICE.

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