What was found
MESSAGE 77-10842, THE TOP RIGHT EGT SIGNAL T495S1 IS OUT OF RANGE ON THE NR 2 ENGINE. FLIGHT LEGS 1-10. ACFT GROUNDED. REMOVED & REPLACED THE T49.5 S1 SENSOR. OPS CHECKED GOOD IAW AMM 77-21-01/401. GROUND VERIFICATION SUCCESSFUL.
- Difficulty date
- February 4, 2018
- Submitted
- February 8, 2018
- Operation
- Air carrier
- Aircraft
- N413AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35205
- Aircraft time
- 19,589 hours, 6,397 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7720 · Engine Temperature Indicating System
- Part
- Probe
- Part number
- TC29603
- Condition
- Faulted
- Location
- Nr 2 Engine
- 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.