Service difficulty report · Proximity Switch · Boeing 767232

Difficulty date
October 26, 2022
Submitted
November 2, 2022
Operation
Air carrier
Aircraft
N739AZ
Make and model
Boeing 767232
Aircraft serial
22216
Aircraft time
100,652 hours, 47,266 cycles
Part
Proximity Switch
Part number
846802
Part serial
212
Condition
Defective
Location
Slat Sys
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
B, A

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

What was found

SUPPLEMENTAL INFORMATION-N739AX-ILN-ENROUTE FROM KCLT TO KABE AND PRIOR TO FINAL APPROACH AIRCRAFT CAUTIONED LE SLAT ASYME. CREW DISCONTINUED APPROACH DUE TO SLAT AND FLAP POSITION NOT VERIFIABLE. AIRCRAFT NOT ABLE TO BE RECONFIGURED FOR FUEL TO ALTERNATE DESTINATION WITH THE CREATED DRAG. EMERGENCY DECLARATION WITH LANDING UNEVENTFUL. ON ARRIVAL, AIRCRAFT GROUNDED FOR FAULT ISOLATION. ALL SLAT SENSORS TEST WITHIN PARAMETERS OF INDUCTANCE AND RESISTANCE VALUES. REMOVED AND REPLACED PSEU. OPERATIONAL CHECK GOOD IAW AMM 32-09-13 AND 32-09-04. ORIG SUB DATE: 10/30/2022