What was found
WHILE ACCOMPLISHING TASK CARD 78273000, FOUND ENGINE FAULT CODE 75-20441 'THE VBV POSITION SIGNAL IS OUT OF RANGE' ON THE NR 1 ENGINE, THIS IS A LONG TERM FAULT. ACFT GROUNDED. NO FAULTS FOUND IN RECENT FAULTS OR FAULT HISTORY.
- Difficulty date
- November 14, 2016
- Submitted
- November 18, 2016
- Operation
- Air carrier
- Aircraft
- N569AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35184
- Aircraft time
- 37,090 hours, 11,438 cycles
- Engine
- Cfmint CFM567B272
- System (JASC)
- 7530 · Compressor Bleed Control
- Part
- Warning Message
- Condition
- False Activation
- 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.