Possible Engine 1 Fire or Detection System Failure A320
1. Possible Causes:
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
| Ref. 26-21-00-810-801-A | The SQUIB Legend of the ENG 1/AGENT 1 Pushbutton Switch does not Come on |
| Ref. 26-21-00-810-802-A | The SQUIB Legend of the ENG 1/AGENT 2 Pushbutton Switch does not Come on |
| Ref. 75-41-00-810-805-A | High Nacelle Temperature Indication on Engine 1 |
| Ref. AMM 26-12-00-710-001 | Operational Check of Loop/Squib |
| Ref. AMM 26-12-00-710-002 | Operational Test of the Engine Fire and Overheat Detection with the Centralized Fault Display System (CFDS) |
| Ref. AMM 26-21-41-000-001 | Removal of the Engine Fire-Extinguisher Bottle |
| Ref. AMM 26-21-41-400-001 | Installation of the Engine Fire-Extinguisher Bottle |
| Ref. AMM 72-00-00-200-007 | Procedure After Engine Fire or Use of Fire-Extinguishing Agents |
3. Fault Confirmation
SUBTASK 26-21-00-710-082-A
A. Do a visual inspection of the engine for signs of fire damage.
4. Fault Isolation
SUBTASK 26-21-00-810-068-B
A. If you find signs of fire damage:
(1) Put the engine back to its initial condition Ref. AMM 72-00-00-200-007.
(2) If the engine fire-extinguisher bottles are discharged:
(a) Replace the engine fire-extinguisher bottles Ref. AMM 26-21-41-000-001 and Ref. AMM 26-21-41-400-001.
(b) Do the test given in Para. 4.C.
(3) If the engine fire-extinguisher bottles are not discharged:
(a) Do the test given in Para. 4.C.
SUBTASK 26-21-00-810-069-B
B. If you do not find signs of fire damage:
-Make sure that there was no nacelle overheat Ref. TSM TASK 75-41-00-810-805.
(1) If there was a nacelle overheat:
(a) Repair and put the engine back to its initial condition Ref. AMM 72-00-00-200-007.
(b) If the engine fire-extinguisher bottles are discharged:
-Replace the engine fire-extinguisher bottles Ref. AMM 26-21-41-000-001 and Ref. AMM 26-21-41-400-001.
-Do the test given in Para. 4.C.
(c) If the engine fire-extinguisher bottles are not discharged:
-Do the test given in Para. 4.C.
(2) If there was no nacelle overheat:
(a) Repair the fire protection system Ref. TSM TASK 26-21-00-810-801 and Ref. TSM TASK 26-21-00-810-802.
(b) If the engine fire-extinguisher bottles are discharged:
-Do the procedure after engine fire or use of fire-extinguishing agents Ref. AMM 72-00-00-200-007.
-Replace the engine fire-extinguisher bottles Ref. AMM 26-21-41-000-001 and Ref. AMM 26-21-41-400-001.
-Do the test given in Para. 4.C.
(c) If the engine fire-extinguisher bottles are not discharged:
-Do the test given in Para. 4.C.
SUBTASK 26-21-00-710-083-A
C. Test
(1) Do the operational test of the fire protection system Ref. AMM 26-12-00-710-001 and Ref. AMM 26-12-00-710-002.
