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- BOEING 737 Pilot's Handbook : Electrical Smoke or Fire
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- {*HIDE !}
- Can smoke be located?
- (yes) Remove electrical power from faulty equipment.!
- (no) Prepare for loss of all but STDBY and battery powered
- equipment: | Oxygen Mask-ON, 100% |
- Smoke Goggles-ON |
- Crew Communications-ESTABLISHED.
- Generator Switches-OFF |
- Bus Transfer Switch-OFF |
- Stabilizer Trim Switches-COTOUT |
- Dome Light-BRIGHT |
- Did Smoke stop?
- (yes) Fault is in one of the Main bus systems or one of the Transfer bus systems |
- No.2 Generator Switch-ON & CHECK |
- Did Smoke Recur?
- (yes) No.1 Generator Switch-ON & CHECK |
- No.2 Generator Switch-OFF & CHECK |
- Bus Transfer Switch-AUTO & CHECK |
- Did Smoke Recur?
- (yes)
- Bus Transfer Switch-OFF & CHECK |
- Fault is on No.1 Transfer bus | or No.1 DC bus.!
- (no)
- Fault is on No.1 Main bus system.!
- (no) Bus Transfer Switch-AUTO & CHECK |
- Did Smoke Recur?
- (no) Fault is on No.2 Main bus system.!
- (yes)
- Bus Transfer Switch-OFF & CHECK |
- Fault is on No.1 Transfer bus | or No.1 DC bus.!
- (no) Fault is in the Battery bus, |
- Hot Battery bus, STDBY AC, SAI or INV |
- No.2 Generator Switch-ON |
- No.1 Generator Switch-ON |
- Check F/O Flight Instruments-NORMAL.
- Standby Power Switch-AUTO |
- Battery Switch-ON |
- Bus Transfer Switch-AUTO. |
- Did smoke stop?
- (yes)
- Fault is either on Battery bus, | STDBY AC bus , SAI or INV |
- Note: Fire detection not available with battery bus unpowered.
- (no)
- Standby Power Switch-AUTO |
- Battery Switch-ON |
- Hot Battery Bus C/B-PULL.
- Fault is on Hot Battery bus |
- IF SMOKE CONTINUES, LAND AT NEAREST SUITABLE AIRPORT.
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