LOW PRESSURE TURBINE NOZZLE - INSPECTION/CHECK
1. General
A. This procedure is for the external inspection of the 1st stage low pressure turbine nozzle. For the
internal borescope inspection, refer to 72-00-00/601.
TASK 72-51-01-206-001-G00
2. Low Pressure Turbine Nozzle Inspection
A. References
Reference Title
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)
75-26-01 P/B 401 LPT COOLING AIR MANIFOLDS AND SUPPLY TUBES -
REMOVAL/INSTALLATION
78-31-00 P/B 201 THRUST REVERSER SYSTEM - MAINTENANCE PRACTICES
B. Location Zones
Zone Area
410 Left Powerplant
420 Right Powerplant
C. Prepare for the Inspection
SUBTASK 72-51-01-046-012-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 72-51-01-016-013-G00
(2) Open the fan cowl panels (PAGEBLOCK 71-11-04/201).
SUBTASK 72-51-01-416-014-G00
(3) Open the core cowl panels (PAGEBLOCK 71-11-06/201).
SUBTASK 72-51-01-016-015-G00
WARNING
OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO
PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
(4) Open the thrust reversers (PAGEBLOCK 78-31-00/201).
D. Inspection Procedure
SUBTASK 72-51-01-216-002-G00
(1) Visually examine the external area of the casing for the conditions that follow:
767
AIRCRAFT MAINTENANCE MANUAL
CF6-80A SERIES ENGINES
72-51-01
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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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