# SDR IPXA2020123063952

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2020
- Submitted: January 4, 2021
- Operation: Air carrier
- Aircraft: [N468UP](https://openairdocs.org/aircraft/N468UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25484
- Aircraft time: 33,189 hours, 18,105 cycles
- Engine: Rroyce RB211*
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Filter
- Condition: Failed
- Location: Pump Case Drain
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2020123063952

## Discrepancy

INSPECTION TYPE: N/A, SUPPLEMENTAL SDR, ATB, EMERGENCY DECLARED.  LANDED MANUALLY, MET BY CFR VEHICLES & TOWED.  SHORTLY AFTER TAKEOFF LT HYD QTY & ENGINE PUMP EICAS MESSAGES DISPLAYED FOLLOWED BY LT HYD SYSTEM PRESS MESSAGE LIGHT.  ALTERNATE GEAR & FLAP EXTENSION WERE REQUIRED.  LT EDP CASE DRAIN FILTER BOWL CROSS THREADED, AMM 29-11-17-401.  REMOVED AND REPLACED LT EDP DRAIN CASE FILTER MODULE, REF 757 MM CHAP 29-11-17-404.  SERVICED LEFT HYD SYSTEM PERFORMED LEAK AND OPERATIONS CHECK OF LT HYD SYSTEM EDP FILTER MODULE, SYSTEM CHECKS OK.

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