Service difficulty report · Sensor · Boeing 737823

Difficulty date
February 5, 2022
Submitted
February 8, 2022
Operation
Air carrier
Aircraft
N917NN
Make and model
Boeing 737823
Aircraft serial
29572
Aircraft time
26,970 hours, 11,181 cycles
Part
Sensor
Condition
Faulted
Location
Rt Wing Te Flap
Stage of operation
DE
How discovered
O
Nature of condition
J
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: FLAPS WOULD NOT EXTEND AND YAW DAMPER FAILED IN DESCENT, FLAPS EXTENDED ELECTRICALLY PER QRH PROCEDURE TO 15 DEGREES. REPLACED #8 FLAP SKEW SENSOR WITH SERVICEABLE UNIT IAW AMM 27-59-01, OPS CHECK GOOD.