What was found
ON ENG START SEQUENCE L&R UTILITY BUS AND L ELEC HYD PUMP EICAS MSG APPEAR WHEN THEY SHOULD BE INHIBITED. PERFORMED BPCU BITE LEFT GCU FAULTED REMOVED AND REPLACED LEFT GCU OPS CHECK NORMAL IAW AMM 24-22-02
- Difficulty date
- February 12, 2024
- Submitted
- February 17, 2024
- Operation
- Air carrier
- Aircraft
- N379CX
- Make and model
- Boeing 767323
- Aircraft serial
- 25199
- Aircraft time
- 110,671 hours, 26,932 cycles
- System (JASC)
- 2400 · Electrical Power System
- Part
- Gcu
- Part number
- 734284FF
- Part serial
- 34284F
- Condition
- Failed
- Part time
- 12,068 hours, 4,572 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.