SDR AALA20151120001

Service difficulty report · Fseu · Boeing 737823

Difficulty date: November 18, 2015
Submitted: November 20, 2015
Operation: Air carrier
Aircraft: N913NN
Make and model: Boeing 737823
Aircraft serial: 29571
Aircraft time: 9,660 hours, 3,728 cycles
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Fseu
Part number: 285A12001
Part serial: F05400
Condition: Faulty
Location: Te Flap
Stage of operation: AP
How discovered: O
Nature of condition: F
Precautionary procedure: O

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

What was found

WHILE ON FINAL APPROACH, FLAPS SELECTED TO 5 DEGREES, HOWEVER, FLAPS STUCK AT 1 DEGREE WITH FLAP ASYMMETRY NEEDLES SPLIT. USED ALTERNATE FLAPS TO 15 DEGREE, LANDED AT 170 KTS. REPLACED FSEU IAW AMM 27-51-01. OPERATIONALLY CHECKED GOOD, OK FOR SERVICE.