# SDR AALA201901029005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2018
- Submitted: January 3, 2019
- Operation: Air carrier
- Aircraft: [N844NN](https://openairdocs.org/aircraft/N844NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33212
- Aircraft time: 27,444 hours, 11,013 cycles
- System (JASC): [3030 · Pitot/Static Anti-Ice System](https://openairdocs.org/jasc/3030)
- Part: Pitot Tube
- Condition: Defective
- Location: First Officer'S
- Stage of operation: DE
- 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/AALA201901029005

## Discrepancy

AIRSPEED UNRELIABLE, FIRST OFFICER`S SIDE IN ICEING CONDITIONS. AIRSPEED OFF BY 150 KTS, ALTITUDE OFF 1800.  THE AIRCRAFT WAS GROUNDED.  FOUND FIRST OFFICER`S PITOT TUBE NOT HEATING.  REPLACED FOS PITOT TUBE IAW AMM 34-11-01, CHECKED OK, LEAK CHECKED OK IAW AMM 34-11-00.

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