# SDR CALA2024071600502

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2024
- Submitted: July 16, 2024
- Operation: General aviation
- Aircraft: [N27958](https://openairdocs.org/aircraft/N27958), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 36406
- Engine: Ge GENX1B54
- System (JASC): [3231 · Landing Gear Door Retract Section](https://openairdocs.org/jasc/3231)
- Part: Control Valve
- Condition: Faulted
- Location: Mlg Doors
- 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/CALA2024071600502

## Discrepancy

AFTER TAKE OFF, NLG DOORS FAILED TO CLOSE AFTER L/G RETRACTION, RESULTING IN AIR TURNBACK.  TROUBLESHOOTING REVEALED NO ISSUES, HOWEVER, DUE TO HISTORY, AIRLINE (TOMC) ELECETD TO FERRY FLIGHT BACK TO HOME BASE.  PERFORMED FIM TASK 32-30-F1-05A-421A, NOSE L/G DOOR CONTROL VALVE MODULE INSTALLATION TEST I.A.W AMM 32-34-03-00A-720A, NOSE GEAR DOOR CLOSED INDICATION PROXIMITY SENSOR FUNCTIONAL TEST I.A.W AMM 32-61-03-00A-340A, NOSE LANDING GEAR HYDRAULICPRESSURE TRANSDUCER INSTALLATION TEST I.A.W AMM 32-31-19-00A-720A. FAULT REMAINS ''NOT ACTIVE''.

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