What was found
DURING ENG 2 BITE TEST FOUND MX MESSAGE # 77-20872"THE TOP LEFT EGT SIGNAL IS OUT OF RANGE." ECONOMIC FAULT. GROUNDED - YES. ON DEFERRAL.
- Difficulty date
- September 19, 2023
- Submitted
- September 25, 2023
- Operation
- Air carrier
- Aircraft
- N409AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41733
- Aircraft time
- 38,549 hours, 12,272 cycles
- System (JASC)
- 7700 · Engine Indicating System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- 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.