What was found
FOUND NR 1 ENGINE WITH A SHORT TIME FAULT MESSAGE 75-10451. THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. PERFORMED TC 78273000 FOR NR 1 ENG FAULT MESSAGE 75-10451. FOUND NO CURRENT FAULTS. FOUND NO FAULTS IN FAULT HISTORY.
- Difficulty date
- June 21, 2020
- Submitted
- June 29, 2020
- Operation
- Air carrier
- Aircraft
- N428AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36353
- Aircraft time
- 16,929 hours, 5,359 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Fault Message
- Condition
- False Indication
- Location
- Nr 1 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.