What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Mechanical difficulties section indicated the following: on descent #3 bus tie breaker trips - underexcited light illuminated - #2 gen freq & volts normal, additionally lost all captain flight instruments with essential power selected on #3 generator. Fo lost all flight instruments even though #2 ac bus powered and lost upper yaw damper. Manually paralleled ac bus #2 with bus tie - then tr #2 cb tripped and fuel tank #2 aft boost pump cb tripped and fuel tank #3 fwd boost pump cb trips. All kha abnormal checklist completed!! Corrected action indicated the following: could not duplicate, ops check normal i/a/w 727 mm ch 24-20-0.
As the FAA filed it
(-23) MECHANICAL DIFFICULTIES SECTION INDICATED THE FOLLOWING: ON DESCENT #3 BUS TIE BREAKER TRIPS - UNDEREXCITED LIGHT ILLUMINATED - #2 GEN FREQ & VOLTS NORMAL, ADDITIONALLY LOST ALL CAPTAIN FLIGHT INSTRUMENTS WITH ESSENTIAL POWER SELECTED ON #3 GENERATOR. FO LOST ALL FLIGHT INSTRUMENTS EVEN THOUGH #2 AC BUS POWERED AND LOST UPPER YAW DAMPER. MANUALLY PARALLELED AC BUS #2 WITH BUS TIE - THEN TR #2 CB TRIPPED AND FUEL TANK #2 AFT BOOST PUMP CB TRIPPED AND FUEL TANK #3 FWD BOOST PUMP CB TRIPS. ALL KHA ABNORMAL CHECKLIST COMPLETED!! CORRECTED ACTION INDICATED THE FOLLOWING: COULD NOT DUPLICATE, OPS CHECK NORMAL I/A/W 727 MM CH 24-20-0.
Other reports on N6808 · 2
Matched to the same aircraft by N-number and date.