Service difficulty report · Sensor Switch · Boeing 737275

Difficulty date
July 16, 1997
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Boeing 737275
Engine
Pwa JT8D9A
Part
Sensor Switch
Part number
S172
Condition
Intermittent
Location
Nr 3 Flap
Component
Eldec · 189915
Stage of operation
CL
Nature of condition
J
Precautionary procedure
A, D

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

What was found

(CAN) AIRCRAFT RETURNED DUE TO NR3 LEADING EDGE. TRANSIT LIGHT ON P2 FORWARD PANEL AND NR3 FLAP AMBER LIGHT REMAINED ON AFTER 2 ATTEMPTS AT RE-CYCLING FLAPS. REPLACED RETRACT PROXIMITY SWITCH.