Service difficulty report · Flap System · Airbus A321231

Difficulty date
January 19, 2026
Submitted
January 21, 2026
Operation
Air carrier
Aircraft
N135NN
Make and model
Airbus A321231
Aircraft serial
6520
Aircraft time
33,459 hours, 12,528 cycles
Part
Flap System
Condition
Locked
Stage of operation
AP
How discovered
O
Nature of condition
F, J
Precautionary procedure
A

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 FLIGHT CREW REPORTING FLAPS LOCKED ALIGNMENT FAULT WITH THE FLAPS AT 2. THE AIRCRAFT LANDED SAFELY AT MIA AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE REPLACED THE LEFT-WING TRAILING EDGE FLAP INTERCONNECTING STRUT PROXIMITY SENSORS 37CV (AALA202601215515) AND 39CV (AALA202601307885) PER AMM 27-51-44. MAINTENANCE ALSO REPLACED THE RIGHT-WING TRAILING EDGE FLAP INTERCONNECTING STRUT PROXIMITY SENSORS 38CV (AALA202601306073) AND 40CV (AALA202601305360) PER AMM 27-51-44. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ISSUES NOTED.

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