Service difficulty report · Uplock · Airbus A320232

Difficulty date
January 26, 2025
Submitted
January 28, 2025
Operation
Air carrier
Aircraft
N449UA
Make and model
Airbus A320232
Aircraft serial
851
Aircraft time
81,294 hours, 33,437 cycles
Part
Uplock
Part number
C24730100
Part serial
H1766
Condition
Faulted
Location
Zone 700
Part time
781,294 hours, 733,437 cycles
Stage of operation
CL
How discovered
V
Nature of condition
J
Precautionary procedure
A

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

What was found

L/G DOORS NOT CLOSED ECAM, N LG DOOR UPLOCK (2534GM/2531GM CFDS) - FIELD RETURN LOCKED PRINTED PFR REPORT AND LAST LEG ECAM REPORT. SPOKE TO FLIGHT CREW UPON ARRIVAL. CREW CYCLED THE GEAR SEVERAL TIMES IN FLIGHT AND MESSAGE REMAINED. NO ABNORMAL SOUND BUT NLG ECAM INDICATION REMAINED AMBER. TSM PROCEDURE 32-31-00-810-859-A FLAGGING FOR SDR UNLOCKING FOR CORRECTIVE ACTION FOLLOWING TSM TASK 32-31-00-810-859-A STEP 4.A.(9)A REPLACED NLG DOOR UPLOCK ASSY FIN 2534GM REF AMM 32-31-14. OPS AND LEAK CK GOOD. FUNCTIONAL TEST OF THE NORMAL EXTENSION AND RETRACTION OF THE NLG REF AMM TASK 32-31-00-720-003-A ALL INDICATION AND OPERATION NORMAL

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