# SDR CA980909016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: 40633513
- Condition: Inoperative
- Location: E/E Bay
- Stage of operation: AP
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980909016

## Discrepancy

(CAN) ON FINAL APPROACH, AIRCRAFT HAD A SUDDEN SHARP MOVEMENT WHEN FLAPS WERE SELECTED.  AN AIRSPEED DIFFERENCE OF 10 TO 20 KNOTS BECAME APPARENT. THIS CONTINUED DOWN TO ROLL-OUT.  CAPTAIN'S AIRSPEED SHOWED 70, 1ST OFFICER ZERO.  NR 2 AIR DATA AND INERTIAL REFERENCE UNIT INOPERATIVE.  AIR DATA MODULE REPLACED AND SYSTEM CHECKED SERVICEABLE.

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