Service difficulty report · Sensor · Boeing 75724APF

Difficulty date
September 7, 2026
Submitted
September 10, 2026
Operation
Air carrier
Aircraft
N438UP
Make and model
Boeing 75724APF
Aircraft serial
25469
Aircraft time
31,943 hours, 20,896 cycles
Part
Sensor
Condition
Out Of Adjust
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

APG, EICAS INDICATION LT FWD ENTRY DOOR AND OVERHEAD ENTRY DOOR ARE PERMANENTLY ON. DURING TROUBLESHOOTING FOUND CREW ENTRY DOOR SENSOR OUT OF LIMITS. ADJUSTED CREW ENTRY DOOR SENSOR IAW AMM 52-71-00-825-223. ADJUSTMENT GOOD. PERFORMED CREW ENTRY DOOR WARNING SYSTEM TEST IAW AMM 52-71-00-735-053. TEST GOOD. EICAS INDICATION LT FWD ENTRY DOOR AND ENTRY DOOR LIGHT GO OFF WHEN THE ENTRY DOOR IS CLOSED.

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