What was found
MAINTENANCE MESSAGE 77-20861, ECONOMIC ENGINE NR 1 BOTTOM LEFT EGT SIGNAL IS OUT OF RANGE. ACFT GROUNDED. ON DEFERRAL.
- Difficulty date
- April 15, 2015
- Submitted
- April 20, 2015
- Operation
- Air carrier
- Aircraft
- N440AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41705
- Aircraft time
- 5,657 hours, 1,854 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7720 · Engine Temperature Indicating System
- Part
- Warning Message
- Condition
- Activated
- Location
- Nr 1 Egt
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.