# SDR ASAA2021052134875

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2021
- Submitted: May 24, 2021
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 37,922 hours, 10,908 cycles
- System (JASC): [3030 · Pitot/Static Anti-Ice System](https://openairdocs.org/jasc/3030)
- Part: Heater
- Condition: Pilot Error
- Location: Pitot
- Stage of operation: NR
- How discovered: 9
- Nature of condition: W
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021052134875

## Discrepancy

FMC WOULD NOT ACCEPT DATA IN MCDU. GROUNDED - YES. PITOT PROBE HEAT WAS LEFT ON FROM PREVIOUS FLIGHT. ONCE SHUTDOWN AND COOLED OFF THE FMC ACCEPTED ALL ASSOCIATED DATA. PERFORMED GOOD OPS TEST OF FMCS PER B737-800 AMM 34-61-00-710-801.

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