# SDR ASAA2023021841999

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2023
- Submitted: February 22, 2023
- Operation: Air carrier
- Aircraft: [N291BT](https://openairdocs.org/aircraft/N291BT), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44088
- Aircraft time: 6,103 hours, 1,757 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Sensor
- Part number: 0154MWCLB
- Condition: Faulty
- Location: #1 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023021841999

## Discrepancy

ENG 1 EEC C1. FOUND CORRELATED MSG 73-43772 COMPRESSOR INLET TEMPERATURE (T25) SENSOR CHANNEL-A AND CHANNEL-B DO NOT AGREE. DETECTED BY ENGINE-1 EEC CHANNEL-B.  GROUNDED - YES. REMOVED AND REPLACED T25 SENSOR IAW B737-9 AMM 73-21-63. OPS CHECK GOOD NO DEFECTS NOTED AT THIS TIME.

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