Service difficulty report · Warning Message · Boeing 75724APF

Difficulty date
January 29, 2025
Submitted
January 31, 2025
Operation
Air carrier
Aircraft
N440UP
Make and model
Boeing 75724APF
Aircraft serial
25471
Aircraft time
30,451 hours, 20,115 cycles
Part
Warning Message
Condition
False Activation
Location
Zone 800
Stage of operation
TX
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

L FWD ENT DOOR EICAS WITH DOOR CLOSED. REVERSED DMP. TROUBLESHOT IAW 757 FIM 52-71 FAULT TREE 802. ADJUSTED THE SENSOR FOR THE CREW ENTRY DOOR. CREW ENTRY DOOR EICAS INDICATION AND ANNUNCIATOR LIGHT OPERATE CORRECTLY WITH DOOR IN THE OPEN AND CLOSED POSITION. ALL WORK DONE IAW 757 AMM 52-71-00-825-223. PLACARD REMOVED. THIS CLEARS DEFERRAL.

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