Other information:
Sound Deadeners and Insulators
NOTICE:
Mastic is made of a combustible material and should be
removed prior to carrying out welding procedures to the area. Heat zones
from welding near mastic may cause the mastic material to burn.
NOTICE:
Corrosion protection must be restored to the area after the
mastic material is applied...
Inspection and Verification
Verify the customer concern.
Visually inspect for obvious signs of mechanical or electrical damage.
If an obvious cause for an observed or reported concern is
found, correct the cause (if possible) before proceeding to the next
step
If the cause is not visually evident, verify the symptom and refer to the Symptom Chart...