What was found
THE ENGINE OIL TEMPERATURE SIGNAL (TEO) IS OUT OF RANGE (MESSAGE # 79-11101), LONG TIME FAULT, #1 ENGINE. GROUNDED - YES. REMOVED & REPLACED OIL TEMPERATURE SENSOR REF B737-900 AMM 79-34-02.
- Difficulty date
- January 22, 2023
- Submitted
- January 24, 2023
- Operation
- Air carrier
- Aircraft
- N423AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35206
- Aircraft time
- 35,390 hours, 11,243 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7933 · Engine Oil Temperature
- Part
- Probe
- Part number
- RP23800
- Condition
- Out Of Range
- Location
- #1 Eng Oil Temp
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.