# SDR SWIA972156

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2000
- Submitted: December 11, 2000
- Operation: Air carrier
- Aircraft: N251YV
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120251
- Aircraft time: 18,122 hours, 25,542 cycles
- Engine: Pwa PW118B
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Control Box
- Condition: Failed
- Location: Mlg Indiction
- Stage of operation: CL
- 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/SWIA972156

## Discrepancy

WHEN GEAR RETRACTION WAS ATTEMPTED, THE GEAR LIGHTS INDICATED A ''RED'' A AND A ''GREEN'' A FOR THE NOSE GEAR.  GEAR HANDLE WAS PUT BACK DOWN.  INDICATION WAS ALL ''RED'' EXCEPT NOSE A RED OUT AND NOSE GREEN A ON.  GEAR LOWERED BY ELECTRICAL OVERRIDE SYSTEM.  RETURNED TO LAX. REMOVED AND REPLACED LANDING GEAR CONTROL BOX.  OPERATED 12 TIMES.  OPS CHECK GOOD.P/N ON:  120-38594-401  S/N ON:  120348  P/N OFF:  120-385594-501  S/N OFF:  120334

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