What was found
MAINTENANCE MESSAGE NUMBER 75-20801, T25 SIGNALS DISAGREE SHORT TIME FAULT. NUMBER ONE ENGINE. GROUNDED - YES. REMOVED & REPLACED J9 & J10 HARNESSES. PERFORMED GOOD INSTALLATION TESTS IAW B737-900 AMM 73-21-06.
- Difficulty date
- January 11, 2023
- Submitted
- January 17, 2023
- Operation
- Air carrier
- Aircraft
- N440AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41705
- Aircraft time
- 34,393 hours, 10,889 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7397 · Engine Fuel System Wiring
- Part
- Wire Harness
- Part number
- 3250434020
- Condition
- Faulted
- Location
- Nr 1 Engine
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.