Service difficulty report · Proximity Sensor · Boeing 737322

Difficulty date
June 25, 2001
Submitted
July 31, 2001
Operation
Air carrier
Aircraft
N388UA
Make and model
Boeing 737322
Aircraft serial
24663
Aircraft time
33,212 hours, 23,698 cycles
Engine
Ge CFM56*
Part
Proximity Sensor
Part number
189915
Condition
Faulty
Location
L/E Flap
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

TAKEOFF ABORTED DUE TO FLAP TAKEOFF WARNING CONFIGURATION HORN. FOUND NR 4 LE FLAP INTRANSIT LIGHT ON, ON OVHD & FWD PNL. FOUND WHEN FLAPS DOWN AND TAPPED S175 LIGHTS WENT BETWEEN TRANSIT AND GREEN EXTEND. REPLACED S175 AND TESTED SEVERAL TIMES WITH ALL INDICATIONS NORMAL.