- Difficulty date
- February 15, 2016
- Submitted
- February 19, 2016
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35190
- Aircraft time
- 31,293 hours, 9,616 cycles
- Engine
- Cfmint CFM567B27B3
- Part
- Probe
- Condition
- Faulted
- Location
- Nr 1
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACOMPLISHING T/C 78273000: FOUND NR 1 ENGINE ECONOMIC FAULT MSG 73-31371. UPPER EGT SECTORS READING HIGH. ACFT GROUNDED. REPLACED LT UPPER T49.5 PROBE IAW AMM TASKS 77-21-01-000-801-F00 & 77-21-01-400-801-F00. OPS CHECKED NORMAL IAW AMM TASK 71-00-00-800-811-F00. VERIFIED GROUND ETOPS TEST NORMAL.