Service difficulty report · Relay · Socata TB21

Difficulty date
October 12, 1995
Submitted
March 26, 2000
Operation
General aviation
Make and model
Socata TB21
Part
Relay
Part number
7733690395
Condition
Shorted Closed
Location
Mlg Ext
Part time
322 hours
Component
7733690395
Stage of operation
AP
Nature of condition
O
Precautionary procedure
L

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

What was found

(CAN)PILOT WAS ATTEMPTING AN APPROACH WHEN THE CIRCUIT BREAKER FOR THE LANDING GEAR KEPT POPPING OUT AFTER BEING RESET SEVERAL TIMES MANUAL GEAR EXTENSION WAS PERFORMED BUT GEAR DOWN AND LOCKED LIGHTS WOU LD NOT ILLUMINATE. AFTER SEVERAL ATTEMPTS TO LOCK GEAR, PILOT REPORTED THREE IN THE GREEN AND MADE AN UNEVENTFUL LANDING. INSPECTION FOUND THE RELAY HAD SHORTED OUT AND WOULD NOT ALLOW THE ELECTRIC MOTOR TO RUN THE HYDRAULICS.

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