SDR CALA2013101892181

Service difficulty report · Uplock Sensor · Airbus A319131

Difficulty date: October 18, 2013
Submitted: December 20, 2013
Operation: Air carrier
Aircraft: N807UA
Make and model: Airbus A319131
Aircraft serial: 798
Aircraft time: 53,162 hours, 21,317 cycles
Engine: Iae V2522A5
System (JASC): 3260 · Landing Gear Position and Warning
Part: Uplock Sensor
Condition: Faulted
Location: Nlg
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

CREW REPORTED LGCIU 1 FAULT. FOUND NLG DOWN LOCK SENSOR 18GA AT FAULT. R & R SENSOR 18GA & LGCIU 1 IAW AMM 32-31-73,32-31-71. ALSO FOUND INTERMITTENT SHORT A ON 1300VC & B ON SENSOR. REMOVED 1300VC & CLEANED OUT CONNECTOR, NO SHORT. WIRES CHECKED GOOD FROM SENSOR TO LGCIU 1. SYSTEM OPS CHECKED GOOD.

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