# SDR SIMA20140512002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2014
- Submitted: May 13, 2014
- Operation: Air carrier
- Aircraft: N851AE
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145734
- Aircraft time: 26,742 hours, 24,000 cycles
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Indication Sys
- Condition: Contaminated
- Location: Airspeed
- Stage of operation: UK
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20140512002

## Discrepancy

AT FL 370 IN IMC WE RECEIVED IAS COMPARE TO CAUTIONS.  IT WAS DETERMINED THAT THE FIRST OFFICER`S SIDE WAS GIVING INCORRECT INFO, THEN CAPTAINS & FIRST OFFICER`S AIRSPEED INDICATIONS BECAME ERRATIC & DECREASED RAPIDLY, PLI APPEARED AFTER DESCENDING THROUGH FL240 INDICATIONS SEEMED TO BE NORMAL.  FOUND WATER IN SYS, DRAINED WATER, OPERATIONS TEST OF SYS IAW AMM 34-15-00.  OPERATIONS CHECKED GOOD & NO DEFECTS NOTED.

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