# SDR CA980707025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Boeing 737217
- Engine: Pwa JT8D17A
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Computer
- Part number: HG480B13
- Condition: Failed
- Location: Cockpit
- Part time: 26,245 hours
- Component: Collins, HG480B13
- Stage of operation: TO
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980707025

## Discrepancy

(CAN) TAKEOFF ABORTED AT 90 KNOTS DUE CAPT'S AIRSPEED INDICATOR INDICATING ZERO DURING TAKEOFF ROLL.  AIR DATA COMPUTER REPLACED.  A/C SERVICEABLE.

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