What was found
LEFT AND RIGHT UTILITY BUS BOTH DE-ENERGIZED IN CRUISE. LT & RT UTILITY MESSAGES APPEARED, RAN QRH AND BUS RESET, GALLEY OVEN WAS ON AT THE TIME. PERFORMED BPCU BITE PROCEDURES AND NO FAULTS NOTED REF FIM 24-20 FAULT TREE 801.
- Difficulty date
- August 8, 2019
- Submitted
- August 9, 2019
- Operation
- Air carrier
- Aircraft
- N1499A
- Make and model
- Boeing 767328
- Aircraft serial
- 27428
- Aircraft time
- 78,538 hours, 17,183 cycles
- System (JASC)
- 2450 · AC Power Distribution System
- Part
- Buss
- Condition
- Deactivated
- Location
- Lt & Rt
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.