# SDR ASAA2023032842618

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2023
- Submitted: March 29, 2023
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 51,335 hours, 14,958 cycles
- System (JASC): [3030 · Pitot/Static Anti-Ice System](https://openairdocs.org/jasc/3030)
- Part: Pitot Head
- Part number: 0851HT1
- Condition: Failed
- Location: Rh Fwd Ext Fusel
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023032842618

## Discrepancy

AUX PITOT LIGHT AFTER ENGINE START DURING TAXI OUT. GROUNDED - YES. PER B737-800 FIM 30-31 TASK 801. AUX PITOT HEATER C/B OUT, RESET, TRIED OPS CHECK. AFTER A FEW SECONDS LIGHT CAME BACK ON. C/B REMAINED IN. EXAMINED C/B. CHECK GOOD. AUX PITOT RESISTANCE CHECK FAILED. REMOVED AND REPLACED AUX PITOT PROBE IAW B737-800 AMM 34-11-01.

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