SDR AALA20150107005

Service difficulty report · Warning System · Boeing 737823

Difficulty date: January 7, 2015
Submitted: January 8, 2015
Operation: Air carrier
Aircraft: N859NN
Make and model: Boeing 737823
Aircraft serial: 29555
Aircraft time: 13,482 hours, 5,251 cycles
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: AP
How discovered: O
Nature of condition: N
Precautionary procedure: L

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

What was found

EMERGENCY DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING APPROACH FLAPS FROZE AT 25 DEGREES ON EXTENSION & FLAP ASYMMETRY MSG WAS GENERATED. APPROACH WAS ABORTED, PERFORMED QRH PROCEDURE. PERFORMED FIM TASK 27-51-00-810-832 WITH NO FAULTS FOUND. FLAP DRIVE SYS WAS INSPECTED WITH NO FAULTS FOUND. FLAPS WERE RUN THROUGH A COMPLETE CYCLE WITH NO FAULTS FOUND. SYS CHECKED NORMAL.