# SDR CA990817019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Engine: Cfmint CFM565A1
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: B-Nut
- Condition: Loose
- Location: Nr 1 Engine
- Stage of operation: CR
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA990817019

## Discrepancy

(CAN) NR 1 ENGINE OIL QUANTITY DROPPED TO 3.5 DURING FLIGHT.  AIRCRAFT LANDED.  INVESTIGATION REVEALED A LOOSE B-NUT ON A LINE ON THE ENGINE.  THE NR 1 ENGINE FUEL PUMP HAD BEEN REPLACED PRIOR TO THE FLIGHT AND THE LINE MAY HAVE BEEN DISTURBED THEN AND NOT CORRECTLY TIGHTENED.

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