What was found
NR 1 ENG HAS FAULT 75-30451 THE VBV POSITION SIGNALS DISAGREE. SHORT TIME FAULT. DEFERRED PER T/C 78273000. GROUNDED - YES. REPLACED EEC PER AMM 73-21-60/401. OPS GOOD PER AMM TASK 71-00-00-800-811-F00.
- Difficulty date
- January 11, 2020
- Submitted
- January 16, 2020
- Operation
- Air carrier
- Aircraft
- N428AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36353
- Aircraft time
- 15,506 hours, 4,935 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7321 · Fuel Control/Turbine Engines
- Part
- Eec
- Part number
- 2042M67P04
- Part serial
- FFFH5042
- Condition
- Faulty
- Location
- Nr 1 Engine
- Part time
- 15,553 hours, 4,950 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.