# SDR HALA2023042100091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2023
- Submitted: April 22, 2023
- Operation: Air carrier
- Aircraft: [N395HA](https://openairdocs.org/aircraft/N395HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1469
- Aircraft time: 36,197 hours, 5,636 cycles
- System (JASC): [2220 · Speed-Attitude Correction System](https://openairdocs.org/jasc/2220)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- Stage of operation: TO
- How discovered: V
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2023042100091

## Discrepancy

ATO - ON TAKEOFF ROLL AT APPROX 50 KTS FO SAW AIR SPD TAPE RED. STOPPED A/C ON RWY. RETURNED TO NORMAL. CMS SHOWED ADIRU 1 FAULT. PERFORMED TASK AND 3411-7002-HA2 AIRSPEED DISCREPANCY INCIDENTS. REMOVED AND REPLACED ADIRU#1 PER 34-12-34. REMOVED AND REPLACED #1 PITOT PROBE PER 34-11-15. PERFORMED TASK 34-11-00. LOW RANGE LEAK CHECK OF PRINCIPLE PNEUMATIC CIRCUITS AND FUNCTIONAL TEST OF THE ALTITUDE AND AIRSPEED DATA. TASK 34-13-00. ALL TESTS PASSED. NO FAULTS NOTED. OK FOR SERVICE.

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