# SDR ASAA2022071139027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2022
- Submitted: July 12, 2022
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 55,916 hours, 16,412 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7720 · Engine Temperature Indicating System](https://openairdocs.org/jasc/7720)
- Part: Detector
- Part number: TC29603
- Condition: Faulty
- Location: #1 Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022071139027

## Discrepancy

#1 ENGINE S3 EGT SHOWS DASHES. GROUNDED - YES. REMOVED AND REPLACED S3 DETECTOR REF. B737-800 AMM 77-21-01. REMOVED AND REPLACED CJ10 HARNESS REF. AMM 73-21-06.

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