Low Oxygen or Flammable Contents.
Nitrogen Generation System Installed.
Obey Fuel Tank Entry Procedures.
Refer to AMM 28-11-00.
Failure to Obey Will Cause Serious Injury or Death.
DANGER
Low Oxygen Content Possible
During Nitrogen Generation
System Operation.
Obey Employer Safety Procedures.
Failure to Obey May Cause Injury.
A
B
C
1
F
W
D
A
C
B
1
PACK BAY "CAUTION" MARKER
WING STENCIL
(EXAMPLE)
LEFT WING EXTERIOR - LOWER WING SURFACE
(RIGHT WING IS OPPOSITE;
WING STENCILS ARE SYMMETRICAL ONLY)
ACCESS DOOR
(EXAMPLE)
LEFT PACK
BAY DOOR
PACK BAY "CAUTION"
MARKER
MARKERS LOCATE INSIDE THE LEFT PACK BAY DOOR
AND THE LEFT SIDE OF THE RAM COMPARTMENT ON
VAPOR BARRIER (AFT END, NEAREST WHEEL WELL)
WING STENCIL
(EXAMPLE)
LOWER WING
EXTERIOR
J83619 S0000180127_V2
Nitrogen Generation System Precautions
Figure 201/47-00-00-990-807 (Sheet 1 of 2)
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-00-00
Page 208
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF 402, 452, 509, 510, 523, 525-528, 568, 569, 576, 577, 581, 583, 585, 588-590,
592-599, 601-603, 606, 607, 610-615, 620, 625-627, 691-699, 833-835, 838, 971, 980-999;
ILF 101, 151, 156-199, 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 405,
406, 409, 410, 412, 416, 424, 425, 427-429, 451, 501-504, 507, 508, 512-514, 516, 518,
524, 531-533, 535-537, 541, 542, 552-556, 560-562, 567, 571-575, 671, 672, 686, 703,
707-710, 803-813, 821, 822, 831, 832, 836, 837, 841, 842, 851, 852, 854-858, 861-863,
871-874, 947, 948, 968-970, 972, 973 POST SB 737-47-1003