Service difficulty report · Proximity Sensor · Airbus A319132

Difficulty date
July 28, 2025
Submitted
August 8, 2025
Operation
Air carrier
Aircraft
N898UA
Make and model
Airbus A319132
Aircraft serial
3311
Aircraft time
47,825 hours, 28,778 cycles
Part
Proximity Sensor
Condition
Faulted
Location
Mlg Door Uplock
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

CHRONIC LEVEL 1 - LGCIU 1 FAULT DUE TO HISTORY OF L/G LGCIU 1 FAULTS WITH AIRMAN REPORTING 32-31 -73 R LG DOOR PROX SNSR 26GA, REF TSM TASK 32-31-00-810-819-A, PERFORM BITE OF LGCIU 1 FOR FAULT CODES. REF ASM 32-31-03 CHECK RESISTANCE AND INSULATION RESISTANCE OF SENSOR 26GA IS WITHIN LI MITS. ALSO REMOVE SENSOR BACKSHELL TO CHECK CONNECTOR FOR CONDIT ION AND DAMAGE. CORRECT ANY DISCREPANCIES FOUND. IF NO FAULTS FO UND, REPLACE SENSOR 26GA REF AMM 32-31-73-401. REPORT ALL FINDIN GS, SFOLM LEE 650-874-5101. CARRIED BY ELB TROUBLESHOT PER TSM 32-31-00-810-819-A. PERFORMED LGCIU BITE PER AMM 32-69-00-740-001-A. TEST OK. PERFORMED WIRING CHECKS REF ASM 32-31-03. NO DEFECTS NOTED AT THIS TIME. REMOVED AND REPLACED RIGHT MLG DOOR-UPLOCK PROXIMITY SENSOR 26GA REF AMM 32-31-73-420-080-A AS PRECAUTIONARY. PERFORMED LGCIU BITE PER AMM 32-69-00-740-001-A. TEST OK. AIRCRAFT OK TO CONTINUE ADDED ADDITIONAL EMPLOYEE ADD EMP:U397052

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