SDR CALA2025111411203

Service difficulty report · Warning Message · Boeing 7878

Difficulty date: November 12, 2025
Submitted: November 14, 2025
Operation: Air carrier
Aircraft: N26909
Make and model: Boeing 7878
Aircraft serial: 34827
Aircraft time: 48,402 hours, 5,897 cycles
System (JASC): 5270 · Door Warning System
Part: Warning Message
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

DOOR ENTRY 4L ADVISORY L4 PASSENGER ENTRY DOOR NOT FULLY CLOSED, LATCHED, OR LOCKE D. DOOR ENTRY 4L EICAS CABIN ALT NORMAL 5800FT 8.6 AT FL360 FOUND NO ACTIVE MSGS, NO HISTORY. PROX SENSOR CLEARANCE WITHIN RANGE (~2.0MM). OK TO CONTINUE. REF AMM 52-71-01 & FIM. ADD FAULT:52-10792

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