# SDR ASAA2023041442898

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2023
- Submitted: April 17, 2023
- Operation: Air carrier
- Aircraft: [N563AS](https://openairdocs.org/aircraft/N563AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35180
- Aircraft time: 59,124 hours, 17,412 cycles
- System (JASC): [7720 · Engine Temperature Indicating System](https://openairdocs.org/jasc/7720)
- Part: Probe
- Part number: TC29603
- Condition: Faulty
- Location: #1 Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023041442898

## Discrepancy

WHILE TROUBLESHOOTING (ASA LP 60513904), FOUND T49.5 (S4) PROBE INDICATION ALL DASHES, NO READING ON # 1 ENGINE. GROUNDED - YES. REMOVED AND REPLACED T49.5 (S4) PROBE REF B737-800 AMM 77-21-01/401.

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