# SDR AALA201806269004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2018
- Submitted: June 26, 2018
- Operation: Air carrier
- Aircraft: [N766AN](https://openairdocs.org/aircraft/N766AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 32880
- Aircraft time: 61,227 hours, 7,448 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Sensor
- Condition: Defective
- Location: Cargo Door
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201806269004

## Discrepancy

ENROUTE, FORWARD CARGO DOOR ANNUNCIATED DURING CRUISE, NON-NORMAL CHECKLIST ACCOMPLISHED.  AN EMERGENCY WAS DECLARED AND DIVERTED WITHOUT FURTHER INCIDENT.   AIRCRAFT WAS GROUNDED.  MAINTENANCE TROUBLESHOT THE FAULT IAW MAINTENANCE MESSAGE 52-12330 IAW FIM 52-34-00-810-811.  FOUND THE SENSOR S52042 DEFECTIVE.  REPLACED THE SENSOR, TESTED NORMAL. OK FOR SERVICE.

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