# SDR TWAA9908801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N920L](https://openairdocs.org/aircraft/N920L), registered now
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47734
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Switch Box
- Part number: 0080004003
- Condition: Worn
- Location: Nlg Door
- Stage of operation: LD
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA9908801

## Discrepancy

THE NOSE LANDING GEAR UNSAFE LIGHT APPEARED AFTER GEAR WAS EXTENDED.  MANUAL EXTENSION OF THE NOSE LANDING GEAR WAS NO HELP.  REPLACED THE GEAR DOOR PROXIMITY SWITCH BOX .  CHECK-C 6-12-98 MCI.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.