# SDR CA970428008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Boeing 727217
- Engine: Pwa JT8D17
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Air Data Computr
- Part number: HG180U243
- Condition: Intermittent
- Location: Pilot Adc
- Component: Honeywell
- Stage of operation: TO
- Nature of condition: I
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA970428008

## Discrepancy

(CAN) ON TAKEOFF ROLL CAPTAINS AND FIRST OFFICERS AIRSPEED INDICATORS HAD A DISCREPANCY OF 20 KNOTS. REPLACED PILOTS AIR DATA COMPUTER AND DID PITOT STATIC TEST.

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