(b)  
The inspection that follows the use of fire extinquishing agents on the engine

 (c)  
The inspection after the nacelle temperature was above the limits.

 B.  Equipment
 (1)  
Vacuum cleaner

 (2)  
Compressed air source with a pressure of 30-40 psi (205-275 kPa)

 C.  Consumable Materials
 (1)  Cleaning agent - Ardrox 6025
 D.  References
 (1)  
AMM 12-13-11/301, Engine Oil

 (2)  
AMM 26-11-00/101, Engine Fire Detection System

 (3)  
AMM 36-11-05/501, Engine Bleed Air Distribution System

 (4)  
AMM 71-00-00/201, Power Plant

 (5)  
AMM 71-00-02/401, Power Plant

 (6)  
AMM 71-00-41/101, Power PLant (Starting and Idle)

 (7)  
AMM 71-11-02/201, Fan Cowl Panels

 (8)  
AMM 72-00-00/701, Engine

 (9)  
AMM 78-31-00/201, Thrust Reverser

 E.  Access
 (1)  Location Zones
 500 No. 1 Power Plant
 600 No. 2 Power Plant

 F.  Do the Inspection After an Engine Fire, Use of Fire Extinquishing Agents, or High Nacelle Temperature
 S 216-111-C00
 (1)  Do these steps to examine the engine for the cause of the engine fire or an engine that became too hot.
 (a)  
If you find external damage to the engine, remove the engine and make a full inspection (AMM 71-00-02/401). 1) Refer to the Engine Overhaul Manual for the inspection

 procedure.

 (b)  
If you find no external damage to the engine, do the troubleshooting procedure for the fire detection system to find the cause of the high temperature (AMM 26-11-00/101). 1) If the fire detection system operates correctly, do a leak

 check of the pneumatic engine system (AMM 36-11-05/501).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
Inspection After an Engine Fire, Use of Fire Extinquishing Agents, or High
__________________________________________________________________________ Nacelle Temperature
___________________
 S 216-059-C00
 (2)  Do one of the procedures given below after the fire extinquishing agents have been used on the external area of the engine.
 (a)  
If carbon dioxide (CO2) gas was used: 1) On areas of the engine that were cold, no procedure is necessary.

 2)  On areas of the engine that were hot, you must remove and examine the components. a) Refer to the Engine Overhaul Manual.

 (b)  
If foam was used:

 CAUTION: DO NOT LET THE FOAM GO INTO HOLES IN THE ENGINE.
_______ FOAM THAT STAYS ON THE ENGINE CAN CAUSE CORROSION OF THE ENGINE PARTS.
 1) Wash the areas of the engine where the foam was used with clean water. 2) Use a brush to remove all the foam.
 (c)  If dry chemical powders were used:
 CAUTION:_______DO NOT USE WATER. THE DRY AGENTS MIX WITH WATER TO MAKE A COMPOUND THAT CAN CAUSE CORROSION. DO NOT LET THE AGENTS GO INTO HOLES IN THE ENGINE. COMPOUNDS THAT STAY CAN CAUSE CORROSION IN THE ENGINE.
 1) If it is necessary, use a vacuum cleaner and compressed air to remove all the powder from the engine. 2) If the powder turned to a glaze due to high temperatures, clean the areas with the Ardrox 6025 cleaning agent.
 (d)  If halogen materials were used:
 CAUTION: DO NOT LET TITANIUM COMPONENTS TOUCH MATERIALS THAT
_______ CONTAIN HALOGEN. DAMAGE TO THE TITANIUM PARTS CAN OCCUR.
 1) In-flight use of the fire extinguishing system in the nacelle is permitted without special cleaning. 2) If halogen products were used on the ground.
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