后收油池（溢油口） 滑油 后收油池管路（回油） 滑油 后收油池管路（供油） 滑油
1分钟20滴 不允许 不允许
（关车后）
1.1.2. 发动机前部
1.1.2.1. 发动机进口、消音板、风扇叶片和整流锥 1.1.2.2. 目视检查T12探头 1.1.2.3. 目视检查Ps12探头
状况良好、无堵塞 状况良好、无堵塞
固定可靠、无损伤
1.1.3. 2发右侧
a) b) c) d) e)
通风口........................................................... 无堵塞 起动机活门操作门 ........................................ 关闭 发动机架 ....................................................... 无损伤、裂纹、铆钉脱落，气体、液体渗漏 最后一级涡轮................................................ 无烧蚀、裂纹等其它可见损伤（视情使用手电筒） 尾喷管........................................................... 无裂纹、铆钉脱落、无金属屑沉积物
1.1.4. 发动机周检项目
1.1.4.1. 打开所有发动机风扇包皮（参照TASK：71-13-00-010-040）。
1.1.4.2. 目视检查发动机的一般情况，包括：导线和管路磨损、液体渗漏、接头松动、油滤压差指示器、
各附件及支架（参照TASK：72-00-00-917-002）。 1.1.4.3. 检查滑油量并补充（滑油牌号：BP TURBO OIL 2380），检查电子主碎片探测器（EMCD）弹出指示器（参照TASK：12-13-79-610-002）。
1.1.4.4. 检查IDG滑油面，如果不在绿区，补加至绿区，检查并确信油滤压差指示器未弹出（参照TASK：
24-21-00-210-046）；检查并确信IDG无滑油渗漏（参照TASK： 24-21-00-210-047）。 1.1.4.5. 目视检查起动机外表面，确信无滑油渗漏迹象。
1.1.4.6. 关闭所有发动机风扇包皮（参照TASK：71-13-00-410-040）。
管路的检查：
INSPECT/CHECK
1. Tubing for:
A. Splits, cracks or kinks B. Dents or flat areas
MAXIMUM SERVICEABLE LIMITS
Not serviceable
Any amount when the contour is not more than 20 percent of original tube OD
C. Nicks or scores on drain lines, drain shrouds, and Max. depth not more than 0.010 in. scavenge lines, does not include aft sump oil scavenge line
D. Nicks or scores on all other fuel, air and oil lines Max. depth not more than 0.005 in. and aft sump oil scavenge line
(0.13 mm) after blending
Blend the nicks or scores
(0.25 mm) after blending
Blend the nicks or scores.
Replace tube. Replace tube. REMARKS
2. Seating surfaces of the fitting for:
Remove high metal. Remove high metal. Remove high metal. Replace tube. Blend depressions. Replace tube.
A. Scratches in circumference areas A and Any amount to 0.005 in. (0.13 mm) after C
B. Scratches in circumference area B
removal of high metal
Any amount not detectable using a 0.040 in. (1.02 mm) radius ball scribe
C. Axial scratches areas A and C
Any amount to 0.005 in. (0.13 mm) after removal of high metal
D. Axial scratches area B E. Nicks and pits area C
Not serviceable
Any amount not more than 0.03 in. (0.8 mm) deep after blending
F. Nicks and pits areas A and B
Not serviceable
G. Score marks in circumference of silver plated seating (mating) surfaces H. Deformation in circumference (spreading) of tube/ferrule
Any amount when score mark does not go through parent metal
Any amount when nut is free to turn
Replace tube.
Replace tube.
J. Deformation in circumference (spreading) Any amount when nut is free to turn of flare nut
K. Axial deformation (dishing) of spherical seat fitting surface
Replace tube.
Any amount if depth is constant and less than Replace tube. 0.005 (0.13 mm) to the initial surface
. Tube and hose fitting nuts for:
A. Damaged corners
Any amount when the correct torque can be applied Replace tube or hose.
B. Damaged thread Total of one full thread or one continuous thread may be missing Chase threads.
after chasing threads
C. Lockwire hole torn out Serviceable if one hole is still there
Replace tube or
4. Swivel flange fittings for: A. Nicks or scratches on seating surface (surface B)
B. Nicks or scratches on mating surfaces (surfaces A and C) C. Cracks
D. Seating surface (surface B) out-of-flat
E. Cracks that extend out from bolt holes
F. Weld joint cracks
hose
Not serviceable
Replace tube.
Any nick or scratch not more than 0.020 in. (0.51 mm) Remove high deep after removal of high metal metal. Not serviceable
Replace tube. 0.006 in. (0.15 mm) out-of-flat
Replace tube.
Permitted when not more than 2 bolt holes are Replace tube.
cracked Not serviceable
Replace tube.