What was found
NR 1 ENGINE ECONOMIC MESSAGE 77-20871 "THE TOP LEFT EGT SIGNAL (T495S4) IS OUT OF RANGE." GROUNDED - YES. ACCOMPLISHED EEC BITE - FAULT PRESENT ALL FLIGHT LEGS. REMOVED & REPLACED T49.5 S4 PROBE. OPS GOOD, REF AMM 77-21-01/401.
- Difficulty date
- December 9, 2016
- Submitted
- December 13, 2016
- Operation
- Air carrier
- Aircraft
- N564AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35103
- Aircraft time
- 38,601 hours, 11,784 cycles
- System (JASC)
- 7722 · Engine EGT/TIT Indicating System
- Part
- Probe
- Part number
- TC29603
- Condition
- Out Of Tolerance
- Location
- Nr 1 Engine
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.