# SDR IPXA2023011648886

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2023
- Submitted: January 16, 2023
- Operation: Air carrier
- Aircraft: [N436UP](https://openairdocs.org/aircraft/N436UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25467
- Aircraft time: 29,498 hours, 19,269 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Condition: Chafed
- Location: Hyd System
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2023011648886

## Discrepancy

EMERGENCY DECLARED,  LEFT HYD SYS PRESSURE LOSS DUE TO HYD QTY LOSS. L HYD SYS PRESS EICAS DISPLAYED HYD QTY .15.FOUND PTU RETURN & LEFT ALCS SERVO PRESSURE LINES CHAFED THRU. R & R BOTH HYD LINES PER MM 20-10-09-404, LEAK & OPS CK GOOD.

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