# SDR ASAA2023010541476

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2023
- Submitted: January 10, 2023
- Operation: Air carrier
- Aircraft: [N440AS](https://openairdocs.org/aircraft/N440AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41705
- Aircraft time: 34,336 hours, 10,869 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Sensor
- Part number: RP23600
- Condition: Fault Message
- 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/ASAA2023010541476

## Discrepancy

ENG #1 T25 SIGNALS DISAGREE. MSG NBR: 75-10801. GROUNDED - YES. REPLACED #1 ENGINE PT25 SENSOR. OPS CHECK OK, NO FAULTS FOUND. REF B737-900 AMM 73-21-02-400-801-F00.

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