Export Control
EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.Copyright
© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).Applicability
All
Description
TASK 72-45-00-100-000 HP Turbine (HPT) Rotor And Stator Assembly - The Table Of Part Numbers/Task Numbers, Cleaning-000
General
This TASK gives the procedures to clean the High Pressure Turbine (HPT) Assembly parts.
The practices and processes referred to in the procedure by the TASK number are in the SPM.
References
Refer to SPM TASK 70-10-00-100-501 for important cleaning information that supplements the TASKs.
When more than one TASK is specified for a part, refer to SPM TASK 70-10-00-100-501 for selection of the applicable cleaning TASK.
Refer to SPM TASK 70-10-00-100-501 for the TASK numbers given below.

CAUTION
SOOT AND OIL MUST BE EXAMINED BEFORE YOU CLEAN PARTS LISTED IN THE Table AND INSPECTED PER SPECIFIED INSPECTION TASK PRIOR TO ANY CLEANING PROCEDURE.Table 1. ATA
PART NAME
ITEM PART NO.
INSPECTION TASK
72-45-00
HPT Stage 2 Airseal
2A0487
72-45-00
HPT Stage 2 Airseal
2A1159
72-45-00
HPT Stage 2 Airseal
2A1160
72-45-00
HPT Stage 2 Airseal
2A3108
72-45-00
HPT Stage 2 Airseal
2A3179, 2A3425
72-45-00
HPT Stage 2 Airseal
2A3185
72-45-00
HPT Stage 2 Airseal
2A4196
72-45-00
HPT Stage 2 Airseal
2A3596
72-45-00
HPT Stage 2 Airseal
2A4157
72-45-11
HPT Stage 1 Hub
2A1101, 2A1121
72-45-11
HPT Stage 1 Hub
2A1901, 2A2021
72-45-11
HPT Stage 1 Hub
2A1801, 2A2221
72-45-11
HPT Stage 1 Hub
2A2201, 2A2801, 2A5001
72-45-12
HPT Stage 1 Rotating Outer Airseal
2A0488
72-45-12
HPT Stage 1 Rotating Outer Airseal
2A1271
72-45-12
HPT Stage 1 Rotating Outer Airseal
2A1105
72-45-12
HPT Stage 1 Rotating Outer Airseal
2A1350, 2A3423
72-45-13
HPT Stage 1 Rotating Inner Airseal
2A0884
72-45-13
HPT Stage 1 Rotating Inner Airseal
2A1203
72-45-13
HPT Stage 1 Rotating Inner Airseal
2A1352
72-45-13
HPT Stage 1 Rotating Inner Airseal
2A3032, 2A3033
72-45-13
HPT Stage 1 Rotating Inner Airseal
2A3069
72-45-13
HPT Stage 1 Rotating Inner Airseal
2A3086, 2A3424
72-45-13
HPT Stage 1 Rotating Inner Airseal
2A0884-001, 2A3109
72-45-13
HPT Stage 1 Rotating Inner Airseal
2A3923
72-45-31
HPT Stage 2 Hub
2A0902
72-45-31
HPT Stage 2 Hub
2A1302
72-45-31
HPT Stage 2 Hub
2A1202
72-45-31
HPT Stage 2 Hub
2A2302
72-45-31
HPT Stage 2 Hub
2A3002, 2A4802
72-45-31
HPT Stage 2 Hub Heatshield
2A1041
72-45-31
HPT Stage 2 Hub Heatshield
2A2406
Table 2. ATA
PART NAME
ITEM PART NO.
TASK
72-45-00
HPT Hub Lock (Steel)
2A0150, 2A1254
72-45-00
HPT Stage 2 Airseal (Nickel)
2A0487, 2A1159, 2A1160, 2A3108, 2A3179, 2A3185, 2A3425, 2A3596, 2A4196, 2A4157
TASK 70-11-54-300-503 (See note)
TASK 70-12-08-300-503 (See note)
TASK 70-12-09-120-501 (See note)
TASK 70-12-13-300-503 (See note)
NOTE
If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.NOTE
If necessary, abrasive blast by TASK 70-12-08-300-503,TASK 70-12-09-120-501 or TASK 70-12-13-300-503 only after chemical cleaning by TASK 70-11-13-300-503 or TASK 70-11-54-300-503.NOTE
Mask coated knife-edge seals to prevent damage to the thermal spray coating during abrasive blast.72-45-00
HPT Instrumentation (Borescope) Plug (Nickel)
2A0605, 2A2351
72-45-00
No. 4 Bearing Spacer (Steel)
2A1281CL1, 2A1281CL2, 2A1281CL3, 2A1281CL4, 2A1281CL5, 2A1281CL6, 2A1281CL7, 2A1281CL8, 2A1281CL9, 2A1281CL10
72-45-11
HPT Stage 1 Hub (Nickel)
2A1101, 2A1121, 2A1801, 2A1901, 2A2021, 2A2201, 2A2221, 2A2801, 2A5001
TASK 70-11-54-300-503 (See note)
TASK 70-12-08-300-503 (See note)
TASK 70-12-13-300-503 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-08-300-503 or TASK 70-12-13-300-503 only after chemical cleaning by TASK 70-11-54-300-503. Abrasive blast is permitted in the blade slot area and any area of the part to remove scale or corrosion that stays after chemical cleaning by the SPM TASK 70-11-54-300-503.72-45-12
HPT Stage 1 Rotating Outer Airseal Damper (Nickel)
2A0167
72-45-12
HPT Stage 1 Rotating Outer Airseal (Nickel)
2A0488, 2A1105, 2A1271, 2A1350, 2A3423
TASK 70-11-54-300-503 (See note)
TASK 70-12-08-300-503 (See note)
TASK 70-12-09-120-501 (See note)
TASK 70-12-13-300-503 (See note)
NOTE
If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.NOTE
If necessary, abrasive blast by TASK 70-12-08-300-503, TASK 70-12-09-120-501 or TASK 70-12-13-300-503 only after chemical cleaning by TASK 70-11-13-300-503 or TASK 70-11-54-300-503.NOTE
Mask coated knife-edge seals to prevent damage to the thermal spray coating during abrasive blast.72-45-13
HPT Stage 1 Rotating Inner Airseal Damper (Nickel)
2A0491
72-45-13
HPT Stage 1 Rotating Inner Airseal (Nickel)
2A0884, 2A0884-001, 2A1203, 2A1352, 2A3032, 2A3033, 2A3069, 2A3086, 2A3109, 2A3424, 2A3923
TASK 70-11-54-300-503 (See note)
TASK 70-12-08-300-503 (See note)
TASK 70-12-09-120-501 (See note)
TASK 70-12-13-300-503 (See note)
NOTE
If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.NOTE
If necessary, abrasive blast by TASK 70-12-09-120-501, TASK 70-12-08-300-503 or TASK 70-12-13-300-503 only after chemical cleaning by TASK 70-11-54-300-503.NOTE
Mask coated knife-edge seals to prevent damage to the thermal spray coating during abrasive blast.72-45-14
HPT Stage 1 HPT Blade Damper (Cobalt)
2A0062, 2A2523
TASK 70-12-08-300-503 (See note)
TASK 70-12-13-300-503 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-08-300-503 or TASK 70-12-13-300-503 only after chemical cleaning by TASK 70-11-54-300-503.72-45-14
HPT Stage 1 HPT Blade Seal (Nickel)
2A0530, 2A0980
TASK 70-12-08-300-503 (See note)
TASK 70-12-13-300-503 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-08-300-503 or TASK 70-12-13-300-503 only after chemical cleaning by TASK 70-11-54-300-503.72-45-14
HPT Stage 1 Blade (Nickel)
2A1221, 2A1221-001, 2A1221-002, 2A1721, 2A1721-001, 2A1721-002, 2A2421, 2A2421-001, 2A2621, 2A2621-001, 2A2621-002, 2A2621-003, 2A2621-004, 2A3001, 2A3001-001, 2A3001-002, 2A8321, 2A8321-001, 2A8321-002, 2A8321-003, 2A8321-004, 2A8521, 2A8521-001, 2A8521-002, 2A8521-003, 2A8521-004, 2A8521-005, 2A8601, 2A8701, 2A8701-001, 2A8701-002, 2A8801, 2A8901, 2A9001, 2A9101, 2A9201, 2A9321
TASK 70-12-09-120-501 (See note)
TASK 70-12-11-300-503 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-09-120-501 or TASK 70-12-11-300-503 only after chemical cleaning by TASK 70-11-13-300-503.72-45-14
HPT Stage 1 Blade (Nickel)
2A9721
TASK 70-12-09-120-501 (See note)
TASK 70-12-11-300-503 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-09-120-501 or TASK 70-12-11-300-503 only after chemical cleaning by TASK 70-11-13-300-503.72-45-15
HPT Stage 1 Rotating Rear Seal (Nickel)
2A0045
TASK 70-12-08-300-503 (See note)
TASK 70-12-09-120-501 (See note)
TASK 70-12-13-300-503 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-08-300-503, TASK 70-12-09-120-501 or TASK 70-12-13-300-503 only after chemical cleaning by TASK 70-11-54-300-503.72-45-21
HPT Case (Nickel)
2A0250, 2A0250 SL87VA156, 2A1591, 2A1591 SL87VA156, 2A1600, 2A1600 SL114902
TASK 70-11-54-300-503 (See note)
TASK 70-12-06-120-501 (See note)
TASK 70-12-09-120-501 (See note)
TASK 70-12-13-300-503 (See note)
NOTE
If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.NOTE
If necessary, abrasive blast by TASK 70-12-06-120-501, TASK 70-12-09-120-501 or TASK 70-12-13-300-503 only after chemical cleaning by TASK 70-11-13-300-503 or TASK 70-11-54-300-503.72-45-21
HPT Case Orifice Plate (Steel)
2A3692, 2A3734, 2A3738, 2A3739
72-45-21
HPT Case Orifice Plate Retaining Ring (Steel)
2A0259
72-45-22
HPT Stage 1 Duct Support Segment (Nickel)
2A0177, 2A1313, 2A1706, 2A3296, 2A4130
72-45-23
HPT Stage 1 Duct Segment Gasket (Nickel)
2A0182, 2A0984, 2A0988, 2A1960, 2A2108, 2A2275, 2A2371, 2A3155, 2A3156, 2A4136
72-45-23
HPT Stage 1 Duct Band Segment (Nickel)
2A0184-01, 2A0187-01, 2A1707 2A1708, 2A3297-01, 2A4131, 2A4133
72-45-23
HPT Stage 1 Duct Segment (Nickel)
2A1115, 2A1945, 2A2063-01, 2A3361, 2A3295-01, 2A3061-01, 2A3515-01, 2A3579-01, 2A3886-01, 2A3954-01, 2A4169, 2A4359
TASK 70-12-09-120-501 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-09-120-501 only after chemical cleaning by TASK 70-11-13-300-503.72-45-24
HPT Stage 2 Vane Cluster Gasket (Nickel)
2A0176, 2A0182, 2A0984, 2A0988, 2A2277

CAUTION
DO NOT ABRASIVE BLAST THE OUTSIDE DIAMETER PLATFORMS OF THE VANES OR THE HONEYCOMBS. YOU MUST MASK THESE AREAS.72-45-24
HPT Stage 2 Ring Segment And Vane Cluster (Nickel)
2A0152CL21, 2A0152CL22, 2A0152CL23, 2A0152CL24, 2A0152CL25, 2A0152CL26, 2A0152CL27, 2A0152CL28, 2A0152CL29, 2A0152CL30, 2A0152CL31, 2A0152CL32, 2A0152CL33, 2A0152CL34, 2A0152CL35, 2A0152CL36, 2A0152CL37, 2A0152CL38, 2A0152CL39, 2A0152CL40,
2A0152CL41, 2A0172CL21, 2A0172CL22, 2A0172CL23, 2A0172CL24, 2A0172CL25, 2A0172CL26, 2A0172CL27, 2A0172CL28, 2A0172CL29, 2A0172CL30, 2A0172CL31, 2A0172CL32, 2A0172CL33, 2A0172CL34, 2A0172CL35, 2A0172CL36, 2A0172CL36-5, 2A0172CL37, 2A0172CL37-5,
2A0172CL38, 2A0172CL39, 2A0172CL40, 2A0172CL41, 2A1052CL21, 2A1052CL22, 2A1052CL23, 2A1052CL24, 2A1052CL25, 2A1052CL26, 2A1052CL27, 2A1052CL28, 2A1052CL29, 2A1052CL30, 2A1052CL31, 2A1052CL32, 2A1052CL33, 2A1052CL34, 2A1052CL35, 2A1052CL36,
2A1052CL37, 2A1052CL38, 2A1052CL39, 2A1052CL40, 2A1052CL41, 2A1072CL21, 2A1072CL22, 2A1072CL23, 2A1072CL24, 2A1072CL25, 2A1072CL26, 2A1072CL27, 2A1072CL28, 2A1072CL29, 2A1072CL30, 2A1072CL31, 2A1072CL32, 2A1072CL33, 2A1072CL34, 2A1072CL35,
2A1072CL36, 2A1072CL36-5, 2A1072CL37, 2A1072CL37-5, 2A1072CL38, 2A1072CL39, 2A1072CL40, 2A1072CL41, 2A1106-01, 2A2072, 2A2172, 2A2272, 2A2272-001, 2A2272-002, 2A2272-003, 2A2272-004, 2A2272-006, 2A2372, 2A2372-001, 2A2372-002,
2A2372-003, 2A2372-004, 2A2372-006, 2A2872, 2A3152CL21, 2A3152CL22, 2A3152CL23, 2A3152CL24, 2A3152CL25, 2A3152CL26, 2A3152CL27, 2A3152CL28, 2A3152CL29, 2A3152CL30, 2A3152CL31, 2A3152CL32, 2A3152CL33, 2A3152CL34, 2A3152CL35, 2A3152CL36,
TASK 70-12-09-120-501 (See note)
2A3152CL37, 2A3152CL38, 2A3152CL39, 2A3152CL40, 2A3152CL41, 2A3172, 2A3252CL21, 2A3252CL22, 2A3252CL23, 2A3252CL24, 2A3252CL25, 2A3252CL26, 2A3252CL27, 2A3252CL28, 2A3252CL29, 2A3252CL30, 2A3252CL31, 2A3252CL32, 2A3252CL33, 2A3252CL34,
2A3252CL35, 2A3252CL36, 2A3252CL37, 2A3252CL38, 2A3252CL39, 2A3252CL40, 2A3252CL41, 2A3272, 2A3272CL21, 2A3272CL22, 2A3272CL23, 2A3272CL24, 2A3272CL25, 2A3272CL26, 2A3272CL27, 2A3272CL28, 2A3272CL29, 2A3272CL30, 2A3272CL31, 2A3272CL32,
2A3272CL33, 2A3272CL34, 2A3272CL35, 2A3272CL36, 2A3272CL37, 2A3272CL38, 2A3272CL39, 2A3272CL40, 2A3272CL41, 2A3372, 2A3372-001, 2A3431-01, 2A3472, 2A3472-001, 2A3812, 2A3822, 2A4162, 2A4262, 2A5102, 2A5502, 2A5602, 2A6102
NOTE
If necessary, abrasive blast by TASK 70-12-09-120-501 only after chemical cleaning by TASK 70-11-13-300-503.72-45-24
HPT Stage 2 Ring Segment And Vane Cluster - Seal Ring Detail Segment (Nickel)
2A1106-01, 2A3431-01
TASK 70-12-09-120-501 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-09-120-501 only after chemical cleaning by TASK 70-11-13-300-503.72-45-25
HPT Stage 2 Duct Segment (Nickel)
2A0108, 2A1606, 2A1944, 2A3362, 2A3363, 2A3392, 2A3393, 2A4360
TASK 70-12-09-120-501 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-09-120-501 only after chemical cleaning by TASK 70-11-13-300-503.NOTE
Mask coated areas to prevent damage during abrasive blast.72-45-25
HPT Stage 1 Duct Segment Gasket (Nickel)
2A0193, 2A0985, 2A0989, 2A2111, 2A2276
72-45-25
HPT Stage 2 Duct Band Segment (Nickel)
2A0195-01, 2A0198-01, 2A1655-01, 2A1663-01, 2A2269-01, 2A2271-01, 2A3411-01, 2A3412-01, 2A3414-01, 2A3413-01
72-45-26
HPT Stage 2 Duct Support (Nickel)
2A0189, 2A1653, 2A2270, 2A3407, 2A3408
TASK 70-11-54-300-503 (See note)
NOTE
If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.72-45-26
HPT Stage 2 Duct Support Gasket (Nickel)
2A0193, 2A0985, 2A0989, 2A2111, 2A2276
72-45-27
HPT Stage 2 Support Seal (Nickel)
2A0161, 2A1715
72-45-27
HPT Stage 2 Support (Nickel)
2A0303, 2A1360, 2A1713
TASK 70-12-08-300-503 (See note)
TASK 70-12-13-300-503 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-08-300-503 or TASK 70-12-13-300-503 only after chemical cleaning by TASK 70-11-13-300-503 or TASK 70-11-54-300-503.72-45-31
HPT Stage 2 Hub (Nickel)
2A0902, 2A1202, 2A1302, 2A2302, 2A3002, 2A4802
TASK 70-12-08-300-503 (See note)
TASK 70-12-13-300-503 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-08-300-503 or TASK 70-12-13-300-503 only after chemical cleaning by TASK 70-11-54-300-503. Abrasive blast is permitted in the blade slot area and any area of the part to remove scale or corrosion that stays after chemical cleaning by the SPM TASK 70-11-54-300-503.72-45-31
HPT Stage 2 Hub Heatshield (Nickel)
2A1041, 2A2406
72-45-31
HPT Stage 2 Rotor Metering Plug (Nickel)
2A1125, 2A2403
72-45-32
HPT Stage 2 Blade Damper (Cobalt)
2A0109, 2A2524
72-45-32
HPT Stage 2 Blade Seal (Nickel)
2A0110
72-45-32
HPT Stage 2 Blade Seal (Nickel)
2A0532
72-45-32
HPT Stage 2 Blade (Nickel)
2A0402, 2A0402-001, 2A1102, 2A1102-001, 2A1102-002, 2A2202, 2A2202-001, 2A2202-002, 2A2202-003, 2A2702, 2A2702-001, 2A4422, 2A8602, 2A8602-001, 2A8702, 2A8902, 2A9002
TASK 70-12-09-120-501 (See note)
TASK 70-12-11-300-503 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-09-120-501 or TASK 70-12-11-300-503 only after chemical cleaning by TASK 70-11-13-300-503.72-45-33
HPT Stage 2 Blade Retaining Plate (Nickel)
2A0160, 2A1813, 2A2097, 2A3426, 2A3437
TASK 70-12-08-300-503 (See note)
TASK 70-12-09-120-501 (See note)
TASK 70-12-13-300-503 (See note)
NOTE
If necessary, abrasive blast by TASK 70-12-08-300-503, TASK 70-12-09-120-501 or TASK 70-12-13-300-503 only after chemical cleaning by TASK 70-11-54-300-503.72-45-33
HPT Stage 2 Blade Retaining Plate Lock (Nickel)
2A3545
72-45-33
HPT Module Remaining Parts - non-ATA numbered parts
Various
