# SDR AALA202104279012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2021
- Submitted: April 28, 2021
- Operation: Air carrier
- Aircraft: [N833NN](https://openairdocs.org/aircraft/N833NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31093
- Aircraft time: 32,572 hours, 13,271 cycles
- System (JASC): [3030 · Pitot/Static Anti-Ice System](https://openairdocs.org/jasc/3030)
- Part: Module
- Part number: 233A3201305
- Condition: Faulted
- Location: Pitot Heat
- Stage of operation: CR
- How discovered: O
- Nature of condition: G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202104279012

## Discrepancy

AIRCRAFT WAS GROUNDED: LH ALTIMETER AND RH AIRSPEED INDICATION UNRELIABLE, FLIGHT DECLARED EMERGENCY AND DIVERTED TO LIT. REPLACED RH PITOT PROBE (AALA202104279011) IAW AMM 34-11-01, WINDOW/PITOT HEAT MODULE IAW AMM 30-41-41, AND RH PITOT AIR DATA MODULE (AALA202104279013), LEAK AND OPS CHECKS GOOD.

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