What was found
PER ASA T/C 78273000 FOUND #1 ENG SHORT TIME FAULT 73-10341, THE FMV POSITION SIGNAL IS OUT OF RANGE. GROUNDED - YES. REMOVED AND REPLACED HMU AND FUEL PUMP AS A PACKAGE REF ASA TC/ N8473002, N8473003, N28473000.
- Difficulty date
- September 22, 2022
- Submitted
- September 29, 2022
- Operation
- Air carrier
- Aircraft
- N570AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35185
- Aircraft time
- 57,008 hours, 16,987 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Hmu
- Part number
- 1853M56P12
- Part serial
- BECW5034
- Condition
- Faulty
- Location
- #1 Engine
- Part time
- 37,246 hours, 12,838 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.