What was found
SHORT TIME FAULT 75-30451, THE VBV POSITION SIGNALS DISAGREE REQUIRES PLT DEFERRAL PER T/C 78273000. GROUNDED - YES. PERFORMED BITE TEST REF 75-32 TASK 803, G. OPS TEST GOOD.
- Difficulty date
- June 18, 2022
- Submitted
- June 22, 2022
- Operation
- Air carrier
- Aircraft
- N457AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36355
- Aircraft time
- 30,524 hours, 9,718 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7530 · Compressor Bleed Control
- Part
- Vbv
- Part number
- UNKNOWN
- Condition
- False Indication
- Location
- Unknown
- 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.