# SDR CALA2025081407718

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2025
- Submitted: August 14, 2025
- Operation: Air carrier
- Aircraft: [N786UA](https://openairdocs.org/aircraft/N786UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26938
- Aircraft time: 111,640 hours, 14,989 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Switch
- Condition: Failed
- Location: Zone 800
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025081407718

## Discrepancy

DOOR E/E ACCESS EICAS ADVISORY,  E/E ACCESS DOOR NOT FULLY CLOSED, LATCHED AND LOCKED.  MESSAGE APPEARED DURING DEPARTURE CLIMB,  DISCONNECTED & CAPPED ELECTRICAL CONNECTOR S52019 IN MAIN E&E COMPARTMENT.  E/E ACCESS DOOR INDICATION INOPERATIVE, DEFERRED PER MEL 5271D.  C/W LOCKED DUE TO HISTORY,  FIM 52-48 TASK 802 FOR FAULT ISOLATION. CHRONIC HIST, NEED ADJUST OR SWITSH REPLACEMENT.   REPLACED E&E COMPARTMENT PROXIMITY SWITCH S52019 IAW AMM 52-71-06-900-801. OP CHECKED GOOD. REVERSED MEL.

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