# SDR 000223

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2002
- Submitted: November 11, 2002
- Operation: Air carrier
- Aircraft: N269
- Make and model: Emb EMB-145
- Registry model: [EMB EMB-145](https://openairdocs.org/model/embraer-emb-145) (OpenAirDocs)
- Aircraft time: 5,651 hours, 4,904 cycles
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Indicator
- Condition: Inaccurate
- Location: Cockpit
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/000223

## Discrepancy

AIR SPEED READS 40 KNOTS LOWER THAN CAPTAINS AND STANDBY ON TAKEOFF ROLL.  FOUND NR 2 ADC BAD.  RR'D.

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