Service difficulty report · Sensor · Boeing 737824

Difficulty date
February 1, 2009
Submitted
February 2, 2009
Operation
Air carrier
Aircraft
N33266
Make and model
Boeing 737824
Aircraft serial
32403
Aircraft time
26,554 hours, 8,051 cycles
Part
Sensor
Part number
90004213
Part serial
8082
Condition
Corroded
Location
Te Flap
Part time
26,552 hours, 8,050 cycles
Stage of operation
AP
How discovered
O
Nature of condition
F, J
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 APPROACH DURING FLAP EXTENSION THE FLAPS STOPPED AT AROUND 1 WITH A SLIGHT ASYMMETRY AND WOULD NOT EXTEND FURTHER. FOLLOWED PROCEDURES WHICH CALLED FOR USE OF ALTERNATE FLAP EXTENSION TO 15. REMOVED AND REPLACED NR 3 SKEW SENSOR AND CONNECTOR PER MM 27-59-01-400-803, MM 27-59-00-730-8 01. OPERATIONAL CHECKS GOOD.