# SDR 95ZZZW126

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N851JS](https://openairdocs.org/aircraft/N851JS), registered now
- Make and model: Bag JETSTM3101
- Aircraft serial: 834
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Airspeed Ind
- Part number: 8040B567N
- Condition: Defective
- Location: Lt Cockpit
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZW126

## Discrepancy

FLT 4008 - SHORTLY AFTER TAKEOFF, FLIGHT CREW NOTICED A 100 KNOT DISCREPANCY BETWEEN CAPTAIN'S AND F/O'S AIRSPEED INDICATORS.  CREW WAS ADVISED TO RETURN TO FIELD.  PIT MAINTENANCE REPLACED CAPTAIN'S SIDE AIRSPEED INDICATOR.  ACFT RETURNED TO SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.