# SDR AALA202208183752

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2022
- Submitted: August 18, 2022
- Operation: Air carrier
- Aircraft: [N753US](https://openairdocs.org/aircraft/N753US), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1326
- Aircraft time: 51,214 hours, 35,677 cycles
- Engine: Cfmint CFM565B6P
- Engine time: 57,159 hours, 27,791 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: B-Nut
- Condition: Loose
- Location: Engine Oil
- Stage of operation: CR
- How discovered: 9
- Nature of condition: K, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202208183752

## Discrepancy

AIRCRAFT WAS GROUNDED: AT 38,000 FEET, RIGHT ENGINE OIL QUANTITY BEGAN RAPIDLY FALLING.OBSERVED SLOW INCREASE IN OIL TEMPERATURE AND FLUCTUATION IN OIL PRESSURE, ECAM "ENG #2 1 OF 2 OIL LO PR" DISPLAYED. CREW REDUCED ENGINE TO IDLE THEN SHUTDOWN ENGINE IN FLIGHT.  OIL QUANTITY DECREASED TO ZERO AFTER SHUT-DOWN OF #2 ENGINE. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO SFO WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND OIL ALL OF THE #2 ENGINE AND THE UPPER B NUT ON THE OIL TRANSMITTER LOOSE. TIGHTENED B NUT ON OIL TRANSMITTER, SERVICED ENGINE OIL TO FULL AND RAN ENGINE AT GROUND IDLE FOE 5 MINUTES. NO LEAK NOTED PER AMM 79-33-15.

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