# SDR USAASB01336

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2001
- Submitted: January 7, 2002
- Operation: Air carrier
- Aircraft: [N337US](https://openairdocs.org/aircraft/N337US), registered now
- Make and model: Boeing 737301
- Aircraft serial: 23235
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Downlock Sensor
- Part number: 189915
- Condition: Intermittent
- Location: Nlg
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAASB01336

## Discrepancy

CLT - FLT 841 - ON APPROACH TO CLT, WHEN THE GEAR WAS EXTENDED, THE CREW RECEIVED GREEN INDICATIONS FOR THE MAIN GEAR AND RED FOR THE NOSE GEAR.  ON THE GO-AROUND, THE GEAR WAS CYCLED, AT WHICH TIME THE NOSE GEAR APPEARED RED, THEN CHANGED TO GREEN.  THE FLIGHT LANDED WITHOUT FURTHER INCIDENT.  MAINTENANCE REPLACED THE NOSE GEAR LOCK SENSOR.  (M)

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