No editorial comment here…..per our manuals, these are the busses/items that would have been lost in this scenario…
Significantly, earlier B-757 aircraft had alternate stab trim “handles” that were direct cabled to valves.
HOT BATTERY BUS
Clock time references
Fire extinguisher bottles
Fueling system
IRS emergency power (R continuous, L & C for 5 minutes)
Landing gear alternate extension
Park brake valve
RAT manual deployment
BATTERY BUS
Alternate equipment cooling
Alternate stabilizer trim switches**
Antiskid system for inboard wheels
APU fuel valve
DC fuel pump
Engine anti-ice
Engine, APU and cargo fire detection
Engine driven hydraulic pump shutoff valves
Engine fuel control valves
Engine start controls
Forward cockpit dome lighting
Fuel crossfeed valve(s)
Fuel quantity system
Generator controls
Hydraulic PTU control
Interphone systems
Landing gear air/ground system
RAT automatic deployment
Spar fuel valves
Standby Engine Indication (SEI)
STANDBY DC BUS
Bleed air isolation valve
Electric stabilizer trim
Left aural warning speaker
Left stick shaker
Left VHF comm system
Left yaw damper*
Manual cabin altitude pressure control
Rudder ratio changer
Rudder trim
Stab trim shutoff valves
Standby Attitude Indicator
Rudder ratio changer***
Rudder trim
Stab trim shutoff valves
Standby Attitude Indicator
STANDBY AC BUS
Bleed air isolation valve*
Cabin altitude/differential pressure indications
Center ILS system
Engine ignition
Left navigation system (VOR, Air Data Computer (ADC) & RDMI)
Left yaw damper*
Main panel flood lights
Standby Instrument Panel lights
Three spoiler pairs
Wheel well fire detection
*Requires both AC and DC power to operate