ARMY TM 9-4120-380-14
NAVY EE-000-BA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-21
Table 3-1. Operator Troubleshooting - Continued
Malfunction
Test or Inspection
Corrective Action
5.
EXCESSIVELY NOISY OPERATION
Step 1.
Isolate source of noise as near as possible, both by ear and touch.
Contact Unit Maintenance
Step 2.
Check all external panels and filters for looseness, vibration and security.
Contact Unit Maintenance.
3-5
