# SDR 2017FA0000302

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2017
- Submitted: July 27, 2017
- Operation: General aviation
- Aircraft: [N308NV](https://openairdocs.org/aircraft/N308NV), registered now
- Make and model: Airasc J2AIRASC
- Aircraft serial: 2450
- Aircraft time: 37,752 hours, 25,763 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Control Unit
- Condition: Failed
- Location: Mlg
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2017FA0000302

## Discrepancy

DURING LANDING GEAR EXTENSION,  ECAM DISPLAYED L/G LGCU 1&2 FAULT. ECAM PROCEDURE COMPLETED AND LANDING GRAVITY EXTENSION PROCEDURE COMPLETED. REMOVED AND REPLACE NLG SENSING MECHANISM AND PROX SENSOR 24GA & 25GA AND TARGETS PER MM 32-21-45-400-801A,32-31-73-200-002A. GEAR SWING CHECK GOOD PER MM 32-31-00720-002A. REMOVED AND REPLACED LGCUI 2 PER MM 32-31-71-400-001A POS CHECK GOOD PER MM 32-31-71-000-001A ALL WORK ACCOMPLISHED ON AERSALE W/O 000869 CARD 20002, 20004

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