3-32 FAA APPROVED 4-30-76
REISSUED 2-25-81, CHANGE 13
CABIN/COCKPIT FIRE, SMOKE, OR FUMES (CONT)
If time and conditions permit:
10. Isolate source of smoke or fumes.
• If Bleed Air System is suspected source: R BLEED AIR Switch —
OFF. If smoke is reduced, continue operation with switch OFF. If
smoke is not reduced, R BLEED AIR Switch — ON and L BLEED
AIR Switch — OFF. If smoke is reduced, continue operation with
switch OFF.
• If smoke or fume source is electrical:
a. All Non-essential Electrical Equipment — OFF.
b. Isolate defective systems bus as follows:
The following steps separate the pilot and copilot elec-
trical systems. If the electrical smoke or fume source is
positively identified on the pilot side, pull all BUS TIE
circuit breakers on the copilot circuit breaker panel and
proceed with step (4).
(1) Copilot’s Circuit Breaker Panel — Pull the following cir-
cuit breakers.
• On aircraft 35-067 thru 35-201, 35-205 and aircraft
36-018 thru 36-040 except aircraft modified per
AMK 78-13:
TOP ROW 3RD ROW
• AC BUS TIE • ESS BUS TIE
• R AC BUS • R ESS BUS
• R AUX AC BUS (if installed) • R STALL WARN
• 26 VAC BUS • AUX INV (if installed)
2ND ROW
• MAIN BUS TIE
• R MAIN BUS
• R IGN & ST
• SEC INV
NOTE
3-32 FAA APPROVED 4-30-76
REISSUED 2-25-81, CHANGE 13
CABIN/COCKPIT FIRE, SMOKE, OR FUMES (CONT)
If time and conditions permit:
10. Isolate source of smoke or fumes.
• If Bleed Air System is suspected source: R BLEED AIR Switch —
OFF. If smoke is reduced, continue operation with switch OFF. If
smoke is not reduced, R BLEED AIR Switch — ON and L BLEED
AIR Switch — OFF. If smoke is reduced, continue operation with
switch OFF.
• If smoke or fume source is electrical:
a. All Non-essential Electrical Equipment — OFF.
b. Isolate defective systems bus as follows:
The following steps separate the pilot and copilot elec-
trical systems. If the electrical smoke or fume source is
positively identified on the pilot side, pull all BUS TIE
circuit breakers on the copilot circuit breaker panel and
proceed with step (4).
(1) Copilot’s Circuit Breaker Panel — Pull the following cir-
cuit breakers.
• On aircraft 35-067 thru 35-201, 35-205 and aircraft
36-018 thru 36-040 except aircraft modified per
AMK 78-13:
TOP ROW 3RD ROW
• AC BUS TIE • ESS BUS TIE
• R AC BUS • R ESS BUS
• R AUX AC BUS (if installed) • R STALL WARN
• 26 VAC BUS • AUX INV (if installed)
2ND ROW
• MAIN BUS TIE
• R MAIN BUS
• R IGN & ST
• SEC INV
NOTE
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