TASK 72-33-04-206-005-G00
3. Examine the Aft Fan Case and Aft Fan Frame
(Figure 602, Figure 603)
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)
72-00-00-206-054-G00 Unusual Condition Inspection (P/B 601)
72-33-04 P/B 801 FAN FRAME - REPAIRS
72-40-00 P/B 801 COMBUSTION SECTION - REPAIRS
78-00-00 P/B 801 EXHAUST - REPAIRS
78-31-00 P/B 201 THRUST REVERSER SYSTEM - MAINTENANCE PRACTICES
B. Consumable Materials
Reference Description Specification
C50159 [C03-085] Primer - Epoxy, Yellow Zinc Phosphate
C. Location Zones
Zone Area
410 Left Powerplant
420 Right Powerplant
D. Prepare to Examine the Aft Fan Case and the Aft Fan Frame
SUBTASK 72-33-04-046-007-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.
(1) Do this procedure: Thrust Reverser Deactivation for Ground Maintenance
(PAGEBLOCK 78-31-00/201).
SUBTASK 72-33-04-016-006-G00
(2) Open the fan cowl panels (PAGEBLOCK 71-11-04/201).
SUBTASK 72-33-04-016-008-G00
(3) Open the core cowl panels (PAGEBLOCK 71-11-06/201).
E. Examine the Aft Fan Case and the Aft Fan Frame
NOTE: Use the procedure for the spot fluorescent penetrant (PAGEBLOCK 70-11-06/201) for
damage that you cannot see clearly.
SUBTASK 72-33-04-216-009-G00
(1) Visually examine the hub structure for the conditions that follow:
Condition Maximum Serviceable Limits
Weld Cracks Permitted, if less than 0.12 inch (3.0 mm) in length and 2 inches (50.8 mm) apart.
767
AIRCRAFT MAINTENANCE MANUAL
CF6-80A SERIES ENGINES
72-33-04
NoC
Page 604
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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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