SDR CALA2014021090342

Service difficulty report · Proximity Sensor · Airbus A320232

Difficulty date: February 9, 2014
Submitted: February 10, 2014
Operation: Air carrier
Aircraft: N456UA
Make and model: Airbus A320232
Aircraft serial: 1128
Aircraft time: 48,830 hours, 18,646 cycles
Engine: Iae V2527A5
System (JASC): 3260 · Landing Gear Position and Warning
Part: Proximity Sensor
Condition: Faulted
Location: Lt Mlg
Stage of operation: NR
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

REF LOG 1 & 2, LGCIU 2 FAULT. PFR & LGCIU BITE SHOW LT LG EXT PROX SENSOR 23GA LGCIU 5GA FAULT. REPLACED LGCIU 2 & CLEANED CONNECTOR ON SENSOR, NO HELP. REINSTALLED ORIGINAL LGCIU, INSTALLED SENSOR 23GA IAW MM32-31-73-000-001-A & MM32-31-73-400-001-A. PASSED LG BITE TEST MM32-31-73-740-001-A, BUT MLG PROX SENSOR & TARGET CLEARANCE MM32 001 A NEEDS TO BE ACCOMPLISHED.

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