Service difficulty report · Sensor · Boeing 737823

Difficulty date
October 21, 2018
Submitted
October 23, 2018
Operation
Air carrier
Aircraft
N939AN
Make and model
Boeing 737823
Aircraft serial
30083
Aircraft time
53,463 hours, 22,138 cycles
Part
Sensor
Part number
90004212
Part serial
32379
Condition
Defective
Location
Te Flap
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
K

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

What was found

AIRCRAFT WAS GROUNDED. PHX-MIA DECLARED EMERGENCY INBOUND MIA ACCOUNT FLAPS WOULD NOT EXTEND. FLIGHT LANDED WITHOUT INCIDENT. ON APPROACH AFTER SELECTING FLAPS TO 1, FLAP INDICATION WAS UP AND SPLIT. CREW DID FLAP ECS LANDING. REPLACED SENSOR NR 1 OUT B FLAP SKEW SENSOR PER TASK 27-59-11-020-801, OPERATIONS CHECK GOOD OK FOR SERVICE.