SDR USAA2013061700033

Service difficulty report · Proximity Sensor · Boeing 7374B7

Difficulty date: June 14, 2013
Submitted: June 17, 2013
Operation: Air carrier
Aircraft: N442US
Make and model: Boeing 7374B7
Aircraft serial: 24841
Aircraft time: 60,983 hours, 41,671 cycles
System (JASC): 2781 · Leading Edge Slat Position Indicating System
Part: Proximity Sensor
Part number: 189929
Condition: Faulty
Location: Krueger Flap
Stage of operation: CL
How discovered: O
Nature of condition: F
Precautionary procedure: A

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

What was found

AFTER TAKEOFF, THE NR 4 L/E DEVICE GREEN LIGHT (GREEN OVERHEAD PANEL) REMAINED ILLUMINATED. IN ADDITION, THE L/E FLAP TRANSIT LIGHT (YELLOW) REMAINED ILLUMINATED. FLIGHT RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MX REPLACED NR 4 KRUEGER FLAP UP SENSOR AND DOWN SENSOR IAW AMM 27-88-11. OPS CHECK NORMAL.

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