# SDR ASMF200501015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2005
- Submitted: January 22, 2005
- Operation: Air carrier
- Aircraft: [N804AM](https://openairdocs.org/aircraft/N804AM), registered now
- Make and model: Boeing 757-2Q8
- Registry model: [Boeing 757-2Q8](https://openairdocs.org/model/boeing-757-2q8) (OpenAirDocs)
- Aircraft serial: 26271
- Aircraft time: 34,359 hours, 13,643 cycles
- Engine: Pwa PW2037
- Engine time: 34,979 hours, 10,087 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Valve
- Part number: 1026V0800
- Part serial: 1652
- Condition: Failed
- Location: Left Engine
- Part time: 12,810 hours, 4,709 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF200501015

## Discrepancy

DURING TRANSIT CHECK WAS DETECTED A HYDRAULIC LEAK IN THE LEFT ENGINE FILTERS MODULE TUBE, TUBE WAS TIGHTENED AND ENGINE WAS MOTORIZED, BUT DURING THE PROCESS A NEW LEAK WAS DETECTED IN THE DE-OILER.  AIRCRAFT WAS SENT TO THE HANGAR AND DURING OVERNIGHT SERVICE BEARING SCAVENGE VALVE AND FILTERS MODULE LINE WERE REPLACED IAW MM 72-61-02, TESTED CORRECT.

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