What was found
ENGINE 1 FAULT CODE 75-20451 VBV POSITION SIGNALS DISAGREE SHORT TIME FAULT DISCOVERED WHILE ACCOMPLISHING T/C 78273000. GROUNDED - YES. ON DEFERRAL.
- Difficulty date
- August 11, 2023
- Submitted
- August 15, 2023
- Operation
- Air carrier
- Aircraft
- N538AS
- Make and model
- Boeing 737890
- Aircraft serial
- 41188
- Aircraft time
- 40,594 hours, 11,906 cycles
- System (JASC)
- 7530 · Compressor Bleed Control
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.