Service difficulty report · Control Switch · Airbus A300F4605R

Difficulty date
September 8, 2012
Submitted
September 10, 2012
Operation
Air carrier
Aircraft
N676FE
Make and model
Airbus A300F4605R
Aircraft serial
790
Aircraft time
20,963 hours, 11,524 cycles
Part
Control Switch
Part number
224TS05Y
Part serial
813
Condition
Malfunctioned
Location
Mlg
Part time
20,963 hours, 11,523 cycles
Stage of operation
CL
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

AFTER TAKEOFF LANDING GEAR RETRACTED NORMALLY, BUT WHEN GEAR HANDLE WAS PLACED IN THE NEUTRAL POSITION GEAR EXTENDED. INDICATIONS WERE 3 GREEN PLUS 3 UNLOCK LIGHTS. HANDLE RETURNED TO THE UP POSITION AND GEAR RETRACTED NORMALLY. HANDLE RETURNED TO NEUTRAL WITH NORMAL INDICATIONS REMINDER OF FLIGHT. GEAR EXTENDED NORMALLY FOR LANDING. NO LIMITATIONS WERE EXCEEDED. BITE TEST OF THE PROXIMITY BOX REF AMM 32-61-00, FOUND NO HARD FAULTS. WHILE ACCOMPLISHING THE TEST, FAULTS 24 & 64 WITH THE BOX LIGHT ON. SWUNG GEAR SEVERAL TIMES, NO DEFECTS NOTED, REF MM 32-31-00. AS A PRECAUTION, R & R LANDING GEAR CONTROL HANDLE IAW MM 32-31-11-04. PERFORMED OPS CHECK OF LANDING GEAR CONTROL SWITCHING UNIT IAW MM 32-31-11-04.

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