Service difficulty report · Electronic Unit · Boeing 767338

Difficulty date
December 26, 2024
Submitted
December 27, 2024
Operation
Air carrier
Aircraft
N311AZ
Make and model
Boeing 767338
Aircraft serial
25316
Aircraft time
102,353 hours, 32,659 cycles
Part
Electronic Unit
Condition
False Activation
Location
Zone 800
Stage of operation
IN
How discovered
V
Nature of condition
N
Precautionary procedure
K

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

What was found

FOLLOWING SERVICE CHECK INSPECTIONS, LINE MAINTENANCE REPORTED EMERGENCY DOOR INDICATION LIGHT ILLUMINATES INTERMITTENTLY. FAULT TRANSFERRED TO DEFERRED MAINTENANCE ITEM 58202 PER ATI MINIMUM EQUIPMENT LIST 52-71-01-01 MEL CAT C. PER BOEING 767-300 WIRING DIAGRAM MANUAL 52-71-12 AND IAI MAINTENANCE MANUAL 52-71-12, FAULT ISOLATED TO CHOKE S903. INTEGRITY CHECK OF S192-S193 AND S9013-S9016 SATISFACTORY. ALL VALUES READ AS REQUIRED. CHOKE 9031 READS OPEN CAUSING EMERGENCY DOOR LIGHT INTERMITTENT INDICATIONS. ELEC DOOR CHOKE REMOVED AND REPLACED IAW BOEING 767-300 SWPM 20-90-11. OPERATIONAL CHECK GOOD PER BOEING 767-300 52-71-00. NO ADDITIONAL FAULTS NOTED.