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stopping spread of existing smoke. Added steps to configure cabin lighting
before turning off utility busses.
WINDOW DAMAGE
NNC.0.29 - Revised procedure (and title) for commonality, and to reflect
resistance to damage capability based upon testing.
Section 1 - Airplane General, Emergency Equipment, Doors,Windows
WINDOW DAMAGE
NNC.1.7 - Revised procedure (and title) for commonality, and to reflect
resistance to damage capability based upon testing.
Section 6 - Electrical
ELEC AC BUS 1, 2, 3, 4
NNC.6.2 - An AC bus 1 or 4 failure will fail both pitot probes on one side of
the airplane. An AC bus 1 failure in icing conditions can result in unreliable
Captain’s and Standby flight instruments. An AC bus 4 failure in icing
conditions can result in unreliable First Officer’s flight instrument
indications.
Section 7 - Engines, APU
ENG 1, 2, 3, 4 AUTOSTART (ABORTED ENGINE START)
NNC.7.3 - Added Engine Start light condition for clarity.
April 01, 2001
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
0.4.10 D6-30151-425
Preface -
Revision Record
Section 8 - Fire Protection
FIRE CARGO AFT
NNC.8.3 - Modified pack temperature controllers illuminate the SYS FAULT
light when a pack is automatically turned off. Turning off the associated pack
control selector returns the pack reset switch functionality for use in case of
a subsequent failure of an operational pack.
FIRE CARGO FWD
NNC.8.4 - Modified pack temperature controllers illuminate the SYS FAULT
light when a pack is automatically turned off. Turning off the associated pack
control selector returns the pack reset switch functionality for use in case of
a subsequent failure of an operational pack.
FIRE ENGINE TAILPIPE
NNC.8.6 - Revised checklist title for clarity.
FIRE WHEEL WELL
NNC.8.7 - Revised procedural step for cross-model standardization.
SMOKE/FUMES AIR CONDITIONING
NNC.8.9 - Revised indenting for procedural clarity.
>SMOKE DR 5 REST
NNC.8.10 - When the smoke alarm is triggered, the recirculation fans are
turned off, which in turn places the packs in high flow. This adds an .8% fuel
penalty. If the fire is small and easily extinguished, pushing the crew reset
switch returns the packs to normal.
SMOKE/FUMES/FIRE ELECTRICAL
NNC.8.11 - Revised to reflect in-service data show fans have been a source
of smoke. Turning off fans removes potential sources of smoke as well as
stopping spread of existing smoke. Added steps to configure cabin lighting
before turning off utility busses.
Section 9 - Flight Controls
FLAP INDICATION DISAGREE
NNC.9.1 - Added new procedure for flap indication lagging selected flap
setting with no FLAPS CONTROL, FLAPS DRIVE, or FLAPS PRIMARY
message displayed. 747-400 design allows the possibilty of the flap position
indication lagging the actual flap position.
FLAPS DRIVE
NNC.9.3 - Revised procedure to reflect if TE flap split is more than 6 degrees,
the amber minimum maneuvering speed band is based on flaps up. It does not
change as the flaps are extended. This requires disconnecting the autothrottle.
April 01, 2001
747 Operations Manual
Preface -
Revision Record
Copyright © The Boeing Company. See title page for details.
D6-30151-425 0.4.11
Section 10 - Flight Instruments, Displays
>EFIS CONTROL L, R
NNC.10.1 - Added CDU designation to accommodate CDU intermix.
>EFIS/EICAS C/P
NNC.10.3 - Added CDU designation to accommodate CDU intermix.
NNC.10.3 - Corrected display panels to display panel. Added CDU
designation to accommodate CDU intermix.
Section 14 - Landing Gear
BRAKE TEMP
NNC.14.3 - Revised procedural step for cross-model standardization.
GEAR LEVER WILL NOT MOVE UP
NNC.14.6 - Revised procedural step for cross-model standardization.
Section 15 -Warning Systems
WINDSHEAR SYS
NNC.15.4 - IDS software installs WINDSHEAR SYS EICAS message
Chapter NNM - Non-Normal Maneuvers
Section 1 - Non-Normal Maneuvers
Ground Proximity Warning
NNM.1.5 - Revised the Terrain Avoidance maneuver to provide more
guidance for the step "Monitor vertical speed and radio altitude’. Added
"radio altitude for terrain clearance and barometric altitude for a minimum
safe altitude." "A minimum safe altitude" is a generic, to include Minimum
Safe Altitudes, Minimum Obstacle Clearance Altitude, Minimum Sector
Alittudes, etc.
April 01, 2001
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
0.4.12 D6-30151-425
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