Service difficulty report · Relay · Beech 1900D

Difficulty date
March 3, 2005
Submitted
April 1, 2005
Operation
General aviation
Make and model
Beech 1900D
Aircraft time
14,168 hours
Engine
Pwa PT6A67D
Propeller
Hartzl HCE4A3I
Part
Relay
Part number
SM50D7
Condition
Intermittent
Location
Te Flap Control
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

(CAN) CREW REPORTED FLAP MOVEMENT AS INTERMITTENT. MAINTENANCE REPLACED THE FLAP CONTROL RELAY AND THE AIRCRAFT WAS RELEASED. FURTHER INVESTIGATION INTO THE RELAYS IDENTIFIED A KNOWN MANUFACTURER PROBLEM WITH RELAYS PRIOR TO DATE CODE 0444. THE CODE IDENTIFIES YEAR 2004-WEEK 44. POST 0444 RELAYS HAVE BEEN MODIFIED TO CORRECT THE INTERMITTENT ISSUE WITH THE RELAYS THROUGH A MODIFICATION TO PREVENT STICKING AND INTERMITTENT ACTUATION.

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