What was found
DURING TAKEOFF ROLL AT 70 KNOTS, A MASTER CAUTION WARNING WITH ELEC UTILITY BUSS LT AND LT FUEL PRESSURE CTR. THE NR 1 BCU WAS REPLACED AND BCU BACK PLATE INSPECTED IAW AMM 24-23-01, BCU CMC GROUND TEST PASSED.
- Difficulty date
- April 28, 2017
- Submitted
- May 1, 2017
- Operation
- Air carrier
- Aircraft
- N419MC
- Make and model
- Boeing 74748EF
- Aircraft serial
- 28367
- Aircraft time
- 88,485 hours, 15,277 cycles
- System (JASC)
- 2423 · Phase Adapter
- Part
- Control Unit
- Part number
- 746013J
- Part serial
- 1263
- Condition
- Failed
- Location
- Nr 1
- Stage of operation
- TO
- How discovered
- O
- Nature of condition
- G, J
- Precautionary procedure
- C
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.