Service difficulty report · Proximity Sensor · Boeing 737823

Difficulty date
April 28, 2019
Submitted
April 30, 2019
Operation
Air carrier
Aircraft
N881NN
Make and model
Boeing 737823
Aircraft serial
31135
Aircraft time
23,868 hours, 9,696 cycles
Part
Proximity Sensor
Part number
189929
Condition
Faulty
Location
Le Flaps
Stage of operation
AP
How discovered
O
Nature of condition
N
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: CREW REPORTS FLAPS INDICATION ISSUE ON APPROACH. EMERGENCY WAS DECLARED. FLIGHT WAS NOT OVERWEIGHT, LANDED WITHOUT INCIDENT. LE FLAPS TRANSIT LIGHT IN FLIGHT. MAINTENANCE FOUND O/B #6 L/E PROX SW FAULTY. REPLACED LE SLAT #6 OUTBOARD SENSOR (S1004) AND TESTED OK IAW AMM 27-88-11. OK FOR SERVICE