# SDR 99UAL900155

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N1855U](https://openairdocs.org/aircraft/N1855U), registered now
- Make and model: Doug DC-10-30
- Registry model: [Doug DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30) (OpenAirDocs)
- Aircraft serial: 47837
- Engine: Ge CF650C2
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Airspeed Ind
- Condition: Malfunctioned
- Location: Cockpit
- Component: Sperry, 4057800901
- Stage of operation: TO
- Nature of condition: J
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99UAL900155

## Discrepancy

AIRSPEED FLAG ON SIDE AT 90 KTS, 0 AIRSPEED AND AIRSPEED FLAG. ABORTED TAKEOFF 110 TO 115 KTS. PRIOR TO TURN OFF, FLAG WENT AWAY.  *S/D*  UNABLE TO DUPLICATE INDICATOR PROBLEM ON THE GROUND.  REPLACED MACH/AIRSPEED INDICATOR PRECAUTIONARY.

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