Service difficulty report · Proximity Sensor · Airbus A321211

Difficulty date
April 13, 2026
Submitted
April 17, 2026
Operation
Air carrier
Aircraft
N176UW
Make and model
Airbus A321211
Aircraft serial
1499
Aircraft time
79,835 hours, 31,093 cycles
Part
Proximity Sensor
Part number
848401
Condition
Warning Message
Location
Zone 700
Stage of operation
AP
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

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INBOUND INTO PVR DUE TO THE FLIGHT CREW REPORTING THAT UPON SELECTING GEAR DOWN AN ECAM MESSAGE FOR LANDING GEAR DOORS NOT CLOSED / LANDING GEAR SYSTEM DISAGREE DISPLAYED. THE FLIGHT CREW COMPLIED WITH ECAM ACTIONS, QRH FOLLOW UP, ECAM SUPPLEMENTAL. MOC CONFIRMED OKAY TO LAND. THE FLIGHT CREW REPORTED THE FOLLOWING: WHEEL PAGE LEFT MAIN GEAR RED TRIANGLE LEFT SIDE OF MAIN, GREEN TRIANGLE RIGHT SIDE OF MAIN. GEAR DOORS OPEN, N/W STEERING INOP LDG GEAR PANEL ON GLARE SHIELD: RED UNLOCK LEFT MAIN. TWO GREENTRIANGLES NOSE AND RIGHT MAIN. THE AIRCRAFT LANDED SAFELY AT PVR AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE REPLACED LGCIU #1 (AALA202604175322) AND #2 (AALA202604171540) PER AMM 32-31-71. MAINTENANCE ALSO REPLACED SENSOR 15GA (AALA202604177492) PER AMM 32-31-73. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO FAULTS NOTED.

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