# SDR DALA2022051203301

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2022
- Submitted: May 12, 2022
- Operation: Air carrier
- Aircraft: [N822DX](https://openairdocs.org/aircraft/N822DX), registered now
- Make and model: Boeing 757-26D
- Registry model: [Boeing 757-26D](https://openairdocs.org/model/boeing-757-26d) (OpenAirDocs)
- Aircraft serial: 33966
- Aircraft time: 47,878 hours, 22,323 cycles
- System (JASC): [7931 · Engine Oil Pressure](https://openairdocs.org/jasc/7931)
- Part: None
- Condition: None
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022051203301

## Discrepancy

SHIP 6822 -ATB/IFSD- CREW PERFORMED ENGINE SHUT DOWN AND AIR TURN BACK DUE TO RT ENGINE OIL QUANTITY DECREASING TO ZERO INDICATED WITH ASSOCIATED OIL PRESSURE DROP. CORRECTIVE ACTION: FOUND BREATHER LINE TO GEARBOX BROKEN. PERFORMED WIND MILLING INSPECTIONS AND REPLACED THE BREATHER LINE ASSEMBLY. R/R MAIN ENGINE OIL FILTER, NO METAL FOUND. HIGH POWER RUNS GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.