What was found
ENGINEERING REQUEST FOR T/S #1 ENG N1,N2 AND EGT PARAMETER DISAPPEARED IN FLIGHT. FOLLOW T/S STEPS AS MENTIONED IN DEFER TAB. GROUNDED - YES. REMOVED AND REPLACED EEC -CHANNEL B ENGINE #1 IN REFERENCE WITH BOEING B737-9 AMM 73-21-05.
- Difficulty date
- December 21, 2022
- Submitted
- December 30, 2022
- Operation
- Air carrier
- Aircraft
- N972AK
- Make and model
- Boeing 7379
- Aircraft serial
- 43389
- Aircraft time
- 3,002 hours, 863 cycles
- Engine
- Cfmint LEAP1B28
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Fadec
- Part number
- 2474M64P06
- Part serial
- FAKM3205
- Condition
- Faulty
- Location
- Nr 1 Engine
- Part time
- 3,093 hours, 891 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.