Service difficulty report · Sensor · Boeing 737823

Difficulty date
November 11, 2017
Submitted
November 16, 2017
Operation
Air carrier
Aircraft
N818NN
Make and model
Boeing 737823
Aircraft serial
30910
Aircraft time
25,187 hours, 9,944 cycles
Part
Sensor
Part number
90004213
Part serial
8439
Condition
Faulty
Location
Te Flaps
Stage of operation
DE
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

TRAILING EDGE FLAP ASYMMETRY STUCK AT 0 DEGREES. EMERGENCY DECLARED. UNEVENTFUL LANDING AT 0 DEGREE FLAPS. NO ABNORMAL BRAKING OR INDICATIONS. ACCOMPLISHED FIM 32-09-00-81-801 AND FOUND INTERMITTENT FAULTS FOR PSEU AND FSEU. REMOVED AND REPLACED THE NR 3 FLAP SKEW SENSOR IAW AMM 27-59-01. OPS CHECKED GOOD. AIRCRAFT WAS GROUNDED.