What was found
NR 2 ENGINE SHOWS ECONOMIC FAULT MESSAGE 75-20522: THE HMU LPT ACC CONTROL CURRENT IS OUT OF RANGE. ACFT GROUNDED. ACCOMPLISHED FIM 75-22, TASK 804. FAULT MESSAGE 75-20522 NOT ACTIVE.
- Difficulty date
- September 9, 2017
- Submitted
- September 11, 2017
- Operation
- Air carrier
- Aircraft
- N519AS
- Make and model
- Boeing 737890
- Aircraft serial
- 36482
- Aircraft time
- 32,995 hours, 9,879 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Warning Message
- Condition
- False Activation
- Location
- Nr 2 Engine
- 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.