# SDR CALA2026081918738

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2026
- Submitted: August 20, 2026
- Operation: Air carrier
- Aircraft: [N644UA](https://openairdocs.org/aircraft/N644UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25094
- Aircraft time: 133,303 hours, 20,422 cycles
- Engine: Pwa PW4060
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Switch
- Condition: Faulted
- Location: Zone 800
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026081918738

## Discrepancy

LEFT WING SLIDE EICAS  MESSAGE AND EMER DOORS ANNUNCIATOR LIGHT ON MOMENTARILY IN CRUISE. LT WING SLIDE DOOR ON WING TO BODY FAIRY INSPECTED. FOUND LATCHED PROPERLY. SUSPECT PROX SWITCH GIVING FALSE READING. NOT POSSIBLE TO REPRODUCE. FAULT CLEARED. IAW AMM 52-71-00/501 REV 148

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