# SDR AALA201906199012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2019
- Submitted: June 19, 2019
- Operation: Air carrier
- Aircraft: [N830AN](https://openairdocs.org/aircraft/N830AN), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40650
- Aircraft time: 7,562 hours, 772 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Warning Message
- Condition: False Activation
- Location: Multiple
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201906199012

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS THESE STATUS MESSAGES APPEARED:  WINDSHEAR PREDICTIVE L, WINDSHEAR  REACTIVE L, GROUND PROXIMITY SYS L, TERR SYS L, CRUISE FLAPS DISAGREE. MAINTENANCE ACCOMPLISHED FIM 22-10-F0 FOR AUTO PILOT CAUTION, NO FAULTS NOTED. MAINTENANCE CHECKED AND FOUND NO MESSAGE OR RELATED MESSAGES IAW FIM 27-50-F1-H8A-421A FOR THE CRUISE FLAPS DISAGREE. MAINTENANCE ACCOMPLISHED SYSTEM TEST ON LEFT ISS IAW AMM 34-42-00. SYSTEM PASSED TEST. NO FAULT OR NO ACTIVE FAULT ON CMCF FOR THE WINDSHEAR PREDICTIVE L STATUS MESSAGE AND WINDSHEAR  REACTIVE L MESSAGES . MAINTENANCE ACCOMPLISHED SYSTEM TEST ON LEFT ISS IAW AMM 34-42-00. SYSTEM PASSED TEST. NO FAULT OR NO ACTIVE FAULT ON CMCF FOR THE GND PROX SYS L TERR SYS L STATUS MESSAGES.

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