What was found
GE DIAGNOSTICS REPORTED THE NR 1 ENGINE TREND DATA SHOWS ERRATIC FUEL FLOW PARAMETERS DURING CRUISE. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE FUEL FLOW TRANSMITTER IAW AMM 73-31-01. LEAK AND OPS CHECKED GOOD.
- Difficulty date
- September 9, 2017
- Submitted
- September 11, 2017
- Operation
- Air carrier
- Aircraft
- N579AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35187
- Aircraft time
- 40,106 hours, 11,957 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7330 · Engine Fuel Indicating System
- Part
- Transmitter
- Part number
- 1853M48P03
- Part serial
- FEC11709
- Condition
- Malfunctioned
- Location
- Nr 1 Fuel Flow
- Part time
- 40,112 hours, 11,958 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.