SDR AALA201705259016

Service difficulty report · Proximity Sensor · Airbus A321231

Difficulty date: May 24, 2017
Submitted: May 28, 2017
Operation: Air carrier
Aircraft: N987AM
Make and model: Airbus A321231
Aircraft serial: 7079
Aircraft time: 2,278 hours, 912 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Proximity Sensor
Part number: 893301
Condition: Malfunctioned
Location: Rt Mlg
Stage of operation: AP
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

DURING APPROACH, WHEN THE MLG WAS SELECTED DOWN, AN ECAM FOR LANDING GEAR NOT DOWNLOCKED. APPLIED LANDING GEAR GRAVITY EXTENSION PROCEDURES IAW QRH. MAINTENANCE REPLACED RIGHT MLG PROXIMITY SENSOR 22GA IAW MM 32-31-73, AND ACCOMPLISHED AN OPERATIONAL CHECK IAW MM 32-31-00. AIRCRAFT WAS GROUNDED.

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