# SDR 96ZZZX1231

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N978Z
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47250
- System (JASC): [3222 · Nose/Tail Landing Gear Strut/Axle](https://openairdocs.org/jasc/3222)
- Part: Schrader Valve
- Part number: B050762
- Condition: Iced Up
- Location: Nlg
- Stage of operation: CL
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX1231

## Discrepancy

STL - FLT 585 - AFTER TAKEOFF WHEN LANDING GEAR WAS RETRACTED, NLG UNSAFE RED LIGHT REMAINED ILLUMINATED WITH INTERMITTENT WARNING HORN.  CYCLED LANDING GEAR.  FOUND ICE IN NLG STRUT SCHRADER VALVE, MFG PN B05076-2.  REPLACED SCHRADER VALVE, SERVICED NOSE STRUT WITH OIL AND NITROGEN AND LANDING GEAR INDICATION CHECKED NORMAL.  CHECK C - 12-22-95 - STL.

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