Service difficulty report · Proximity Sensor · Airbus A321231

Difficulty date
January 19, 2026
Submitted
January 30, 2026
Operation
Air carrier
Aircraft
N135NN
Make and model
Airbus A321231
Aircraft serial
6520
Aircraft time
33,459 hours, 12,528 cycles
Part
Proximity Sensor
Part number
ABS012130
Condition
Faulted
Location
Zone 500 Flaps
Stage of operation
AP
How discovered
O
Nature of condition
F, J
Precautionary procedure
O

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

What was found

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED ON APPROACH INTO MIA DUE TO THE FLT CREW REPORTING FLAPS LOCKED ALIGNMENT FAULT WITH THE FLAPS AT 2. THE ACFT LANDED SAFELY AT MIA & TAXIED TO GATE UNDER ITS OWN POWER. MAINT REPLACED THE LT WING T/E FLAP INTERCONNECTING STRUT PROX SENSORS 37CV (AALA202601215515) & 39CV (AALA202601307885) IAW AMM 27-51-44. MAINTENANCE ALSO REPLACED RT WING T/E FLAP INTERCONNECTING STRUT PROXIMITY SENSORS 38CV (AALA202601306073) AND 40CV (AALA202601305360) IAW AMM 27-51-44. A SATISFACTORY OPS CHECK ACCOMPLISHED WITH NO ISSUES NOTED.

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