- Difficulty date
- March 27, 2021
- Submitted
- March 29, 2021
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35187
- Aircraft time
- 51,130 hours, 15,139 cycles
- Part
- Transmitter
- Part number
- 1853M48P03
- Part serial
- FEC11709
- Condition
- Faulty
- Location
- #1 Eng Fuel Flow
- Part time
- 50,076 hours, 14,819 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 ENGINE TREND DATA SHOWS A GRADUAL SHIFT IN CRUISE DELTA FUEL FLOWING INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FUEL FLOW TRANSMITTER. REF B737-800 AMM 73-31-01-400-801-F01. PERFORMED #1 ENGINE LEAK CHECK OF FUEL FLOW TRANSMITTER.