Service difficulty report · Proximity Sensor · Airbus A320232

Difficulty date
February 12, 2013
Submitted
February 14, 2013
Operation
Air carrier
Aircraft
N524JB
Make and model
Airbus A320232
Aircraft serial
1528
Aircraft time
46,193 hours, 16,721 cycles
Part
Proximity Sensor
Part number
848401
Part serial
A98829
Condition
Failed
Location
Rt Mlg
Part time
46,193 hours, 16,721 cycles
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

FLT 974 FLL-BOS, AIRCRAFT DIVERTED TO MCO - AFTER TAKEOFF WITH GEAR AND FLAPS RETRACTED. STARTED HEARING A NOISE LIKE THE GEAR DOORS OPENING AND CLOSING. ABLE TO CONFIRM ALL DOORS CYCLING ON WHEEL PAGED. CONTINUED ABOUT 30 TIMES UNTIL THEY STAYED OPEN ON ALL GEAR FOLLOWED BY GEAR DOOR OPEN ECAM. GEAR WAS CYCLED PER ECAM AND MCC EXTENSION WAS NORMAL UPON RETRACTION. ALL GEAR DOORS CLOSED. RT MAIN INDICATED RED NOT UPLOCKED. QRH COMPLETED FOR NOT UPLOCKED. INDICATIONS WERE NORMAL UPON FINAL GEAR EXTENSION. AT 220 KNOTS UPON DISCOVERY WHILE DOORS WERE MOVING. TS PER TSM 32-31-00-810-864A, RT MLG UPLOCK PROX SENSOR 10 GA FAULTED. R&R PROX SENSOR 10GA PER 32-31-73. OPS TEST GOOD. LG EXTENSION AND RETRACTION PER AMM 32-30-00-867-001A. ALL CHECKS NORMAL. A/C OK FOR SERVICE.

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