# SDR DLM88070330

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2007
- Submitted: April 17, 2007
- Operation: Air carrier
- Aircraft: [N990DL](https://openairdocs.org/aircraft/N990DL), registered now
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53342
- Aircraft time: 41,821 hours, 31,861 cycles
- System (JASC): [3213 · Main Landing Gear Strut/Axle/Truck](https://openairdocs.org/jasc/3213)
- Part: Schrader Valve
- Condition: Damaged
- Location: Nlg Strut
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM88070330

## Discrepancy

AFTER GEAR RETRACTION A SEVERE VIBRATION CAME FROM NOSE GEAR AREA WITH NORMAL GEAR INDICATION/LIGHT IN COCKPIT.  NOSE GEAR STRUT FLAT ON RETURN TO GATE.  REMOVED AND REPLACED NLG STRUT SCHRADER VALVE AND COMPLETED SERVICING PER AMM 32-21-02.  COMPLETED NLG T/S PER OPN 50006.  CKS GOOD.

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