STANDARD PRACTICES - ENGINE - GENERAL - DESCRIPTION AND OPERATION

** ON A/C NOT FOR ALL

1. General
This section contains the maintenance operations that can be done with the engine installed on the aircraft.

A. Related Data

(1) Data related to the on-aircraft maintenance of the propulsion system includes the following:

(a) Troubleshooting (Refer to the Troubleshooting Manual).

(b) Maintenance Practices.

(d) Removal/Installation of Line Replaceable Units (LRUs) and of the Powerplant.

(e) Adjustment/Test.

(f) Inspection/Check.

(g) Cleaning/Painting.

(h) Approved Repairs.

(2) The chapter numbers and designations used are as follows:

(a) 05-Time Limits.

(b) 06-Dimensions and Areas.

(d) 12-Servicing.

(e) 23-Communications.

(f) 24-Electrical Power.

(g) 26-Fire Protection.

(h) 29-Hydraulic Power.

(i) 30-Ice and Rain Protection.

(j) 36-Pneumatic.

(k) 54-Nacelles and Pylons.

(l) 70-Standard Practices - Engines.

(m) 71-Power Plant.

(n) 72-Engine.

(o) 73-Engine Fuel and Control.

(p) 74-Ignition.

(q) 75-Air.

(r) 76-Engine Controls.

(s) 77-Engine Indicating.

(t) 78-Exhaust.

(u) 79-Oil.

(v) 80-Starting.

(3) Data that refers to location, description and operation of the engine, its components and systems is also included.

(4) Data related to safety procedures, standard on-aircraft procedures and WARNING/CAUTION notices must be followed to prevent injury to persons and damage to equipment.

(5) Related Publications

(6) The publications listed as follows are connected to and used with this manual:

(a) Propulsion System Operating Instructions (Refer to Flight Crew Operating Manual).

(b) Aircraft Plant Illustrated Parts Catalog (AIPC) - The Illustrated Parts Catalog identifies and illustrates also those Engine, Nacelle and Thrust Reverser parts that are likely to be removed/installed while the Propulsion System is mounted on the aircraft. It is only to be used for the order, storage, issue and identification of parts. It is not to be used as the authority for procedures of disassembly or assembly. The AIPC is also a historical record (by the Service Bulletin standard) of the parts used, superseded and/or discontinued.

(c) Illustrated Tool and Equipment Manual (Refer to Illustrated Tool and Equipment Manual) - The Illustrated Tool and Equipment Manual gives data on the special tools and equipment necessary for the engine. The tools and equipment are illustrated together with a description of purpose and usage.

(d) Non-Destructive Test Manual (Refer to NDT).

(e) Engine Manual - The engine manual does not relate directly to the on-aircraft maintenance of the engine, but it does contain the data necessary for work to be completed on an engine in the workshop.

(f) IAE - Component Maintenance Manuals - These four manuals (Tubes/Hoses/Ducts, Miscellaneous Mechanical, Electrical Harness and Cables, Fuel Nozzle and Support) are related to the Engine Manual and contain data for work to be accomplished in the workshop.

(g) Wiring Data (Refer to ESPM) - The Electrical Standard Practices Manual provides data necessary for support of the various electrical cables and harnesses that are installed on the Propulsion System.

(h) Vendor Component Maintenance Manuals - The various Vendor Component Maintenance Manuals, which cover the proprietary components/accessories that are installed in the Propulsion System, contain data for work to be accomplished in the workshop. A complete listing of these Vendor Component Maintenance Manuals is contained in the: TECHNICAL PUBLICATIONS AND LIST OF OVERHAULABLE COMPONENTS (TPI/LOC).

(i) Engine/Nacelle Service Bulletins - Engine Service Bulletins (V2500-ENG) and Nacelle Service Bulletins (V2500-NAC) are issued to provide instructions for the advancement of a configuration or for the accomplishment of a one-time inspection, etc.

(7) Engine Area Identification

(8) Clock position, left, right and other direction instructions refer to an engine in a horizontal position, viewed from the rear and with the engine mounts at the top.

(9) Engine Consumable Product

(10) All the engine consumable products are included in the chapter 70-30-00. The national reference of products is not mandatory in the AMM and when this reference is unknown it must be replaced by '*'.

B. Welding

WARNING : THE AIRCRAFT AND ENGINE MANUFACTURERS RECOMMEND THAT YOU DO NOT

WELD ENGINE COMPONENTS WHEN THE ENGINE IS INSTALLED ON THE

AIRFRAME.

ALL THE WELD REPAIRS GIVEN BY THE ENGINE MANUFACTURER ARE FOR

ENGINES OR COMPONENTS IN A WORKSHOP. THERE IS A FIRE RISK IF YOU

WELD ON AN INSTALLED ENGINE BECAUSE OF THE FLAMMABLE LIQUIDS IN

THIS AREA.

C. List of VRS (V2500 Repair Scheme) used in AMM

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VRS No. TITLE CH-SE-SU PAGE

BLOCK

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VRS1030 REPAIR OF THE LP COMPRESSOR FAN BLADE 72-31-11 801

TOUCH UP COATING

VRS1058 REPAIR OF THE LP COMPRESSOR BLADES 72-31-11 801

AND FILLERS

VRS1059 REPAIR OF THE LP COMPRESSOR ANNULUS 72-31-11 801

FILLER TOUCH-UP COATING

VRS1063 REPAIR OF THE LP COMPRESSOR FAN BLADE 72-31-11 801

CHOCKING PADS

VRS1065 REPAIR LEADING EDGE EROSION AND THE LP 72-31-11 801

COMPRESSOR ROTOR BLADES BY MATERIAL

REMOVAL

VRS1069 REPAIR OF THE FRONT MOUNT TUBE ASSEMBLY 71-21-11 801

VRS1113 REPAIR OF THE LP COMPRESSOR 72-31-11 801

ANNULUS FILLERS - REPAIR

VRS1148 REPLACEMENT OF THE STAGE 1 FAN DISK REAR 72-31-12 801

RAMP

VRS1149 REPAIR OF THE STAGE 1 FAN DISK TOUCH UP 72-31-12 801

COATING

VRS1163 REPAIR OF THE LP COMPRESSOR FRONT BLADE 72-31-13 801

RETAINING RING

VRS1174 REPLACEMENT OF THE STAGE 1 FAN DISK 72-31-12 801

SHANK NUT

VRS1175 REPLACEMENT OF THE SHANK NUTS OF THE 72-31-13 801

FRONT BLADE RETAINING RING

VRS1408 LOCAL REPAIR OF ACOUSTIC LINING 72-32-85 801

VRS1411 REPAIR OF FAN CASE ATTRITION LINING 72-32-85 801

DOWN TO THE GRP LAYER

VRS1421 REPAIR OF THE LP COMPRESSOR OUTLET 72-32-88 801

GUIDE VANES

VRS1428 REPAIR OF ACOUSTIC LININGS 72-32-89 801

VRS1432 REPAIR OF THE INLET CONE 72-38-11 801

VRS1506 REPAIR DAMAGE ON THE LP COMPRESSOR FAN 72-31-11 801

BLADES BY LOCAL MATERIAL REMOVAL

VRS1511 REPAIR OF THE FAN CASE ACOUSTIC 72-32-85 801

LININGS BY BONDING

VRS1596 FAN FRAME T2.5CM REPAIR 72-32-03 801

VRS1714 REPAIR OF THE INLET CONE FAIRING 72-38-11 801

VRS1731 REPAIR OF THE FAN FRAME ASSEMBLY 72-32-03 801

VRS1802 REPAIR THE CRACK IN THE FAN CASE LINER 72-32-87 801

PANEL

VRS1806 REPAIR OF FAN CASE - POST SBE 72-0160 72-32-85 801

VRS1810 REPAIR OF THE LP COMPRESSOR FRONT BLADE 72-31-13 801

RETAINING RING

VRS1811 REPAIR OF THE LP COMPRESSOR STUB SHAFT 72-32-51 801

VRS1813 REPAIR OF THE SPLITTER FAIRING 72-32-93 801

VRS1814 REPAIR OF THE SPLITTER FAIRING 72-32-93 801

VRS1815 REPAIR OF THE LP COMPRESSOR ANNULUS 72-31-11 801

FILLERS

VRS1816 REPAIR OF THE LP COMPRESSOR ANNULUS 72-31-11 801

FILLERS - REPAIR

VRS1817 REPAIR OF THE FAN EXIT VANE 72-32-88 801

ASSEMBLY

VRS1824 REPAIR OF THE FAN CASE 72-32-85 801

VRS1825 REPAIR OF THE FAN CASE ATTRIBUTION 72-32-85 801

LINING DOWN TO THE GRC LAYER

VRS1826 REPAIR OF THE FAN CASE ANTI-ICE 72-32-85 801

IMPACT PANELS

VRS1827 REPAIR OF THE FAN CASE ACOUSTIC 72-32-85 801

LININGS

VRS1828 REPAIR OF THE BLUE FILLER 72-32-85 801

VRS1843 REPAIR BY REPLACEMENT OF THE 72-32-85 801

ATTRIBUTION LININGS

VRS1844 REPAIR BY REPLACEMENT OF THE 72-32-85 801

ANTI-ICE IMPACT PANELS

VRS1845 REPAIR BY REPLACEMENT OF THE 72-32-85 801

ACOUSTIC LININGS

VRS1850 REPAIR OF THE LP COMPRESSOR INLET 72-32-91 801

GUIDE VANES

VRS1937 REPAIR OF THE MISSING SCREW ON THE 72-32-86 801

INTERMEDIATE STRUCTURE REAR FAIRING

VRS1946 REPAIR OF THE FAN CASE ATTRIBUTION 72-32-85 801

LINING BELOW THE GRC LAYER

VRS1952 REPAIR OF FAN CASE ANTI ICE IMPACT 72-32-85 801

LININGS

VRS1955 REPAIR BY REPLACING THE FRONT LINING 72-32-85 801

VRS1956 REPAIR BY REPLACING THE REAR LINING 72-32-85 801

VRS1958 REPAIR BY REPLACING THE ACOUSTIC 72-32-85 801

LINING

VRS1959 REPAIR BY REMPLACING THE FRONT PANEL, 72-32-85 801

MIDDLE PANEL AND REAR PANEL

VRS1973 REPAIR OF THE LP COMPRESSOR FAN, 72-31-11 801

RE-APPLY COATING

VRS2001 REPAIR OF HEATSHIELD - LEFT C-DUCT 78-32-49 801

FIXED STRUCTURE

VRS2002 REPAIR OF HEATSHIELD - RIGHT C-DUCT 78-32-79 801

FIXED STRUCTURE

VRS2053 REPLACEMENT OF THE LOWER TRACK SEAL/ 78-32-49 801

RETAINER - LEFT THRUST REVERSER

VRS2054 REPLACEMENT OF THE LOWER TRACK SEAL/ 78-32-79 801

RETAINER - RIGHT THRUST REVERSER

VRS2055 REPLACEMENT OF THE COMMON NOZZLE OUTER 78-11-11 801

DUCT SEAL

VRS2059 REPLACEMENT OF THE COMMON NOZZLE INNER 78-11-11 801

DUCT SEALS AND RETAINERS

VRS2070 REPLACEMENT OF THE RIGHT TRANSLATING 78-32-76 801

COWL SEALS

VRS2071 REPLACEMENT OF THE LEFT TRANSLATING 78-32-46 801

COWL SEALS

VRS2076 REPLACEMENT OF THE PRESSURE SEAL - 78-32-79 801

RIGHT THRUST REVERSER

VRS2077 REPLACEMENT OF THE PRESSURE SEAL - 78-32-49 801

LEFT THRUST REVERSER

VRS2079 REPLACEMENT OF THE SEAL - LEFT 78-32-49 801

C-DUCT FIXED STRUCTURE

VRS2118 REPLACEMENT OF THE HINGE ACCESS 78-32-79 801

PANEL SEAL/RETAINER - RIGHT THRUST

REVERSER

VRS2119 REPLACEMENT OF THE HINGE ACCESS 78-32-49 801

PANEL SEAL/RETAINER - LEFT THRUST

REVERSER

VRS2251 REPAIR THE CASCADE ASSEMBLY SURFACE 72-32-19 801

DAMAGE

VRS2253 REMOVE THE DAMAGED BLADE FROM THE 72-32-19 801

CASCADE PANEL ASSEMBLY

VRS2254 REPAIR THE BLANK CASCADE PANEL 72-32-19 801

ASSEMBLY SURFACE DAMAGE

VRS2257 STOP DRILL THE CRACK ON THE CASCADE 72-32-19 801

ASSEMBLY FAIRING AND BLANK

CASCADE PANEL ASSEMBLY

VRS2278 BLEND REPAIR OF THE LEFT THRUST 78-11-11 801

REVERSER BLOCKER DOOR DRAG LINK

VRS2279 BLEND REPAIR OF THE LEFT THRUST 78-32-45 801

REVERSER BLOCKER DOOR SURFACE

DAMAGE

VRS2280 BLEND REPAIR OF THE RIGHT THRUST 78-32-72 801

REVERSER BLOCKER DOOR DRAG LINK

SURFACE DAMAGE

VRS2281 BLEND REPAIR OF THE RIGHT THRUST 78-32-75 801

REVERSER BLOCKER DOOR SURFACE

DAMAGE

VRS2305 REPLACEMENT OF THE COMMON NOZZLE 78-11-11 801

ASSEMBLY INNER ANNULUS SEALS

VRS2725 REPLACE THE AERODYNAMIC SEALANT ON 72-45-00 801

THE AIR INTAKE COWL OR THE P2/T2

SENSOR

VRS2733 REPLACE THE IDENTIFICATION MARKS ON 71-11-11 801

THE NOSE COWL

VRS2734 REPLACE THE IDENTIFICATION MARKS ON 71-13-11 801

THE LEFT FAN COWL DOOR

VRS2735 REPLACE THE IDENTIFICATION MARKS ON 71-13-14 801

THE OIL FILLER DOOR/CHIP DETECTOR

DOOR

VRS2736 REPLACE THE IDENTIFICATION MARKS ON 71-13-16 801

THE RIGHT FAN COWL DOOR

VRS2737 REPLACE THE IDENTIFICATION MARKS ON 71-13-17 801

THE AIR STARTER DOOR

VRS2741 REPLACE THE HI-LOK FASTENERS ON THE 71-13-14 801

OIL FILLER DOOR OVERSIZE FASTENERS

VRS2746 REPLACE THE LOOSE OR DAMAGED RIVETS 71-11-11 801

OF THE LIPSKIN INNER SURFACE

VRS2770 REPLACE THE LOOSE OR DAMAGED RIVETS 71-11-11 801

OF THE LIPSKIN OUTER SURFACE

VRS2804 REPLACE THE SEAL ON THE THERMAL 71-11-11 801

ANTI-ICING OUTLET PANEL

VRS2825 REPLACE THERMAL ANTI-ICING OUTLET 71-11-11 801

GRILLE

VRS2849 REPLACE THE HINGE ON THE OIL FILLER 71-13-14 801

ACCESS DOOR

VRS2934 REPLACE A CAPTIVE NUT ON THE ATTACH 71-11-11 801

RING

VRS2935 HAND BLEND AND POLISH DAMAGE ON THE 71-13-14 801

ACCESS PANEL HINGE

VRS3019 REPLACE THE NUT(S) ON THE TURBINE 72-50-00 801

EXHAUST CASE, REPAIR

VRS3500 REPLACE THE JUMPERS, CONTACTS OR 73-22-35 801

CONNECTOR

VRS3501 REPAIR THE JUMPER CONTACT OR CONTACT 73-22-35 801

VRS3503 REPLACE THE DATA ENTRY PLUG 73-22-35 801

BACKSHELL ASSEMBLY

VRS6514 REPAIR DAMAGED HELICOIL INSERT(S) 72-41-31 801

IN THE HP COMPRESSOR, FRONT CASE

ASSEMBLY, BY REPLACEMENT

VRS6536 REPAIR OF BIFURCATION PANEL SIDE SEALS 72-38-25 801

AND CLIPS

VRS6637 REPAIR DAMAGED HELICOIL INSERT(S) 72-41-23 801

IN THE HP COMPRESSOR, REAR OUTER CASE

ASSEMBLY, BY REPLACEMENT

VRS6669 REPAIR RUBBER SEAL OF THE DISCONNECT 72-38-25 801

PANEL BY REPLACEMENT OF THE LOWER

SEAL AND CLIP

[Rev.10 from 2021] 2026.04.01 02:19:17 UTC