TRANSFER GEARBOX - INSPECTION/CHECK
1. General
A. This procedure gives the instructions on how to examine the external surfaces of the transfer
gearbox assembly.
TASK 72-62-01-206-005-G00
2. Examine the Transfer Gearbox
(Figure 601)
A. References
Reference Title
70-11-06 P/B 201 FLUORESCENT PENETRANT INSPECTION - MAINTENANCE
PRACTICES
71-11-04 P/B 201 FAN COWL PANELS - MAINTENANCE PRACTICES
(OPEN/CLOSE)
71-11-06 P/B 201 CORE COWL PANELS - MAINTENANCE PRACTICES
(OPENING/CLOSING)
78-31-00 P/B 201 THRUST REVERSER SYSTEM - MAINTENANCE PRACTICES
B. Location Zones
Zone Area
410 Left Powerplant
415 Left Powerplant Fan Reverser - Left
420 Right Powerplant
425 Right Powerplant Fan Reverser - Left
C. Prepare for Removal
SUBTASK 72-62-01-016-006-G00
(1) Open the fan cowl panels (PAGEBLOCK 71-11-04/201).
SUBTASK 72-62-01-046-007-G00
WARNING
DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT
THE OPERATION OF THE THRUST REVERSER. THE ACCIDENTAL
OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO
PERSONS OR DAMAGE TO EQUIPMENT.
(2) Do this procedure: Thrust Reverser Deactivation for Ground Maintenance
(PAGEBLOCK 78-31-00/201).
SUBTASK 72-62-01-016-008-G00
(3) Open the core cowl panels (PAGEBLOCK 71-11-06/201).
D. Procedure
SUBTASK 72-62-01-216-001-G00
(1) Visually examine the main housing and the adapters on the transfer gearbox for the conditions
that follow:
NOTE: If you are not sure about the cracks, use the spot fluorescent-penetrant inspection
(PAGEBLOCK 70-11-06/201).
767
AIRCRAFT MAINTENANCE MANUAL
CF6-80A SERIES ENGINES
72-62-01
NoC
Page 601
D633T1B7 Aug 22/2017
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ABX 001-007, 011, 012, 016-019, 021, 022, 025, 101,
109, 114, 115, 314-999
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