What was found
WHILE ACCOMPLISHING TASK 78273000, FOUND A MESSAGE FOUR THE NR 1 ENGINE, 73-31371, UPPER EGT SECTORS READING HIGH. ACFT GROUNDED. TROUBLESHOOT IAW FIM 73-11, TASK 801. ACCOMPLISHED EGT CLEANING IAW AMM 77-21-00-140-801.
- Difficulty date
- October 15, 2017
- Submitted
- October 16, 2017
- Operation
- Air carrier
- Aircraft
- N519AS
- Make and model
- Boeing 737890
- Aircraft serial
- 36482
- Aircraft time
- 33,253 hours, 9,975 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7720 · Engine Temperature Indicating System
- Part
- Probe
- Condition
- Dirty
- Location
- Egt
- Stage of operation
- IN
- 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.