Service difficulty report · Warning System · Boeing 737823

Difficulty date
December 1, 2017
Submitted
December 6, 2017
Operation
Air carrier
Aircraft
N979NN
Make and model
Boeing 737823
Aircraft serial
31228
Aircraft time
7,261 hours, 2,840 cycles
Part
Warning System
Condition
Intermittent
Location
Le Flap
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

DFW FLT 1583 EN-ROUTE TUS - DFW. THE AIRCRAFT WAS NOT GROUNDED. LE FLAPS TRANSIT LIGHT ILLUMINATED WITH FLAP HANDLE SET AT 5 DEGREES AND FLAP INDICATOR SHOWED LESS THAN 1 DEGREE. THE FLIGHT DECLARED AN EMERGENCY AND ABORTED THE APPROACH. ACCOMPLISHED CHECK LIST, USED ALT FLAPS 15 FOR LANDING. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. ACCOMPD FRMFIM TASK 25-51-00 FOR FSEU MAINT MSG 27-52259 LEFT FLAP POSITION TRANSMITTER. FAULT DETERMINED TO BE INTERMITTENT. OPS CHECK GOOD.