Service difficulty report · Uplock Sensor · Airbus A319114

Difficulty date
March 17, 2026
Submitted
March 19, 2026
Operation
Air carrier
Aircraft
N347NB
Make and model
Airbus A319114
Aircraft serial
1800
Aircraft time
63,610 hours, 32,550 cycles
Part
Uplock Sensor
Part number
C247300016
Part serial
H3143
Condition
Faulty
Location
X
Part time
63,610 hours, 32,550 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

ON TAKEOFF, NLG DID NOT RETRACT. RESET IAW ECAM. CONTACTED MX DISPATCH & ELECTED TO CONTINUE MLG NOT UPLOCKED ECAM. SECONDARY INDICATION WERE SIGNIFICANT BUFFETING THAT WENT AWAY WHEN ECAM CLEARED. AMPLE NLG SENSOR HISTORY LGCIU 1&2 BITE TEST GOOD. T/S IAW TSM 32-31-00-810-865-A, SUSPECT NLG UPLOCK ASSY (2530GM) WIP (DP098218) REMOVED NLG UPLOCK ASSY (2530GM) REF AMM 32- 31, LGCI BREAKERS PULLED, GREEN SYS DEPRESSRIZED IAW AMM 29-14,AIR DATA PROBES BREAKERS PULLED REF AMM 34-11. (11EA). INSTALLED NLG UPLOCK ASSY (2530GM) REF AMM 32-31, RIGGING PINS REMOVED, PREVIUOSLY OPENED LGCIU & AIR DATA PROBES C/B'S CLOSED GREEN SYS REPRESSURIZED. AWAITING JACKS FOR FUNCTIONAL CHK & UPLOCK LEAK CHK. FUNCTL CHECK & LEAK CHKD GOOD ON NLG UPLOCK IAW AMM 32-31 OK FOR SVC. (LP: 8448798)

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