SDR HEEA978818

Service difficulty report · Relay · Bell 407

Difficulty date
January 7, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N141MA
Make and model
Bell 407
Aircraft serial
53016
Part
Relay
Part number
M835362028M
Condition
Failed
Location
Rotor Horn
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LOW ROTOR HORN WOULD NOT MUTE. REPLACED RELAY, SYSTEM CHECKED OK A FEW TIMES THEN HORN WOULD NOT MUTE AGAIN. SWAPPED RELAY WITH ENGINE OUT RELAY AND ENGINE OUT HORN WOULD NOT MUTE BUT LOW ROTOR HORN WOULD.

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