# SDR CALA2017092903344

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2017
- Submitted: September 29, 2017
- Operation: Air carrier
- Aircraft: [N661UA](https://openairdocs.org/aircraft/N661UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27158
- Aircraft time: 101,063 hours, 15,747 cycles
- Engine: Pwa PW4060
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: O-Ring
- Condition: Damaged
- Location: Chip Detector
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017092903344

## Discrepancy

NR 2 ENGINE LOST OIL QTY & OIL PRESSURE IN FLIGHT.  OIL QUANTITY WENT TO ZERO.   INSPECTED ALL CHIP DETECTORS, NO DEBRIS.  REPLACED THE O-RINGS FOUND AFT CHIP DETECTOR O-RING CUT.  REMOVED & INSPECTED MAIN OIL FILTER, NO DEBRIS.  INSTALLED NEW FILTER IAW AMM 79-21-05.  PERFORMED GRND IDLE LEAK CK TEST 3 AND RAN ENGINE TO 1.27 EPR NUMEROUS TIMES WITH ALL ENGINE PARAMETERS NORMAL.REINSPECTED ENGINE NO OIL LEAKS..

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