SDR CALA2018022100716

Service difficulty report · Sensor · Boeing 737824

Difficulty date: February 21, 2018
Submitted: February 22, 2018
Operation: Air carrier
Aircraft: N17244
Make and model: Boeing 737824
Aircraft serial: 28954
Aircraft time: 59,575 hours, 21,380 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Sensor
Part number: 106122629
Condition: Faulty
Location: Te Flaps
Stage of operation: CL
How discovered: O
Nature of condition: F, J
Precautionary procedure: A

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

What was found

LEADING EDGE FLAPS TRANSIT LIGHT STAYS ON AFTER TAKEOFF FLAP LE NOT MOVED. EMERGENCY DECLARED. FSEU BITE CHECKED IAW AMM 27-51-00-740-801, FLT LEG 0 FAULT MESSAGE 27-81221 F3 PROX EXTEND. CODE 27-81221. PERFORMED FIM 27-88-00-810-806, FAULT CONFIRMED, N VISUAL INSPECTION OF THE NR 3 FLAP EXTEND SENSOR, FOUND FACE OF CYCLED LEADING EDGE FLAPS, RAN BITE CHECK AGAIN, CONFIRMED FAULTED SENSOR DELAMINATED.