# SDR AALA20070127

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2007
- Submitted: February 1, 2007
- Operation: Air carrier
- Aircraft: [N604AA](https://openairdocs.org/aircraft/N604AA), registered now
- Make and model: Boeing 757223
- Aircraft serial: 27055
- Engine: Rroyce RB211535E4B3
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: O-Ring
- Part number: 37604331
- Condition: Torn
- Location: Oil Cap
- Stage of operation: CR
- 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/AALA20070127

## Discrepancy

BOS - INFLIGHT, RIGHT ENGINE IN FLIGHT SHUT DOWN DUE TO OIL QUANTITY LOSS.  RETURNED TO BOS AND LANDED WITHOUT INCIDENT.  SINGLE ENGINE TIME 25 MINUTES.  FOUND O-RING FOR OIL CAP TORN.  FOUND DEBRIS UNDER OIL TANK CHECK VALVE.  REMOVED DEBRIS AND REPLACED OIL CAP O-RING.  REPLACED SCAVENGE AND PRESSURE FILTERS.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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