What was found
CFM REPORTS #1 ENGINE EGT INDICATION ISSUES AND TREND DATA SHOWS EXCESSIVE SCATTER IN DATA POINTS. GROUNDED - YES. TRANSFERRED TSR TO EBU SHOP W/O 1971172 N/R # 00004. #1 ENGINE CHANGED.
- Difficulty date
- September 27, 2023
- Submitted
- October 5, 2023
- Operation
- Air carrier
- Aircraft
- N565AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35181
- Aircraft time
- 61,306 hours, 18,348 cycles
- Engine
- Cfmint CFM567B273
- Engine time
- 54,173 hours, 16,048 cycles
- System (JASC)
- 7720 · Engine Temperature Indicating System
- Part
- Engine
- Part number
- UNKNOWN
- Condition
- Abnormal
- Location
- Left
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.