Service difficulty report · Proximity Sensor · Boeing 777223

Difficulty date
March 14, 2025
Submitted
March 25, 2025
Operation
Air carrier
Aircraft
N796AN
Make and model
Boeing 777223
Aircraft serial
30796
Aircraft time
93,170 hours, 12,088 cycles
Part
Proximity Sensor
Part number
877801
Condition
Faulted
Location
Zone 800
Stage of operation
NR
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 NOT GROUNDED: ENTRY 4L DOOR SHOWS OPEN EVEN WHEN CLOSED AND ARMED. CYCLED NUMEROUS TIMES. MAINTENANCE REPLACED #2 PROXIMITY SENSOR ELECTRONICS UNIT IAW AMM 32-08-01,