SDR 2007UALA01145

Service difficulty report · Proximity Sensor · Airbus A320232

Difficulty date: April 13, 2007
Submitted: April 24, 2007
Operation: Air carrier
Aircraft: N431UA
Make and model: Airbus A320232
Aircraft serial: 571
Aircraft time: 39,241 hours, 13,853 cycles
Engine: Iae V2527A5
System (JASC): 3260 · Landing Gear Position and Warning
Part: Proximity Sensor
Condition: Contaminated
Location: Nlg
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

RTFL UNDER AMBER ALERT DUE TO NLG NOT RETRACTING. [SUP 06-06-07] INITIALLY REPLACED THE NR 2 LGCIU, BUT FURTHER TROUBLESHOOTING FOUND THE NOSE LANDING GEAR PROXIMITY SENSORS TO BE COVERED IN GREASE. CLEANED PROXIMITY SENSORS 12GA, 18GA, 30GA AND 31GA.

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