# SDR DLM88091195

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2009
- Submitted: July 23, 2009
- Operation: Air carrier
- Aircraft: N929DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49716
- Aircraft time: 55,693 hours, 42,890 cycles
- Engine: Pwa PW4060
- System (JASC): [3222 · Nose/Tail Landing Gear Strut/Axle](https://openairdocs.org/jasc/3222)
- Part: O-Ring
- Condition: Missing
- Location: Nlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM88091195

## Discrepancy

NOSE GEAR DOOR RED ILLUMINATED UPON GEAR RETRACTION, NOSE GEAR UNSAFE LIGHT.  SERVICED NOSE GEAR PER MM.  FOUND AIR VLV MISSING O-RING.  REPLACED SAME, LEAK CHECKS GOOD.

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