SDR AALA20171214008

Service difficulty report · Transmitter · Boeing 737823

Difficulty date: December 14, 2017
Submitted: December 19, 2017
Operation: Air carrier
Aircraft: N979NN
Make and model: Boeing 737823
Aircraft serial: 31228
Aircraft time: 7,364 hours, 2,884 cycles
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Transmitter
Condition: Malfunctioned
Location: Lt Wing Te Flaps
Stage of operation: LD
How discovered: 9
Nature of condition: N
Precautionary procedure: O

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

What was found

AIRCRAFT WAS GROUNDED: DECLARED EMERGENCY, ON DOWNWIND FLAPS STOPPED AT 1/2 DEGREE WITH LEFT TRANSIT LIGHT ILLUMINATED. MOVED FLAP LEVER BACK TO UP WITH NO MOVEMENT. FOLLOWED QRH PROCEDURE AND MOVED FLAP LEVER BACK TO 1 DEGREE. AFTER LANDING FLAPS MOVED TO 1 DEGREE WITH GREEN LE EXIT LIGHT. REMOVED AND REPLACED LEFT FLAP POSTION TRANSMITTER. ACCOMPLISHED ALL REQUIRED TEST. OPERATIONAL CHECK GOOD. PER FIM 27-51-00-810-813.