Service difficulty report · Relay · Beech F33A

Difficulty date
May 13, 2013
Submitted
May 14, 2013
Operation
General aviation
Aircraft
N5521A
Make and model
Beech F33A
Aircraft serial
CE1338
Aircraft time
24,188 hours
Engine
Cont IO520BB
Engine time
651 hours
Part
Relay
Part number
SM50D7
Part serial
MFD1147
Condition
Failed
Location
Landing Gear
Part time
189 hours
Stage of operation
LD
How discovered
O
Nature of condition
B
Precautionary procedure
H

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

What was found

CYCLED GEAR 10 TIMES AND GOT IT TO FAIL 8 TIMES. YOU COULD HEAR THE RELAY CLICK, NO GEAR MOVEMENT UNTIL YOU TAP RELAY WITH SCREW DRIVER. REMOVED DYNAMIC RELAY P/N SM50D7 MFD 1147 TSN 188.9. INSTALLED NEW DYNAMIC RELAY P/N SM50D7 MFD 1303 TSN 0. OPS CHECK LANDING GEAR RETRACT AND EXTENSION, OPS CHECK GOOD.

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