# SDR 99ZZZX4054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N424XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B424
- System (JASC): [3233 · Landing Gear Actuator](https://openairdocs.org/jasc/3233)
- Part: Seal
- Part number: AIR400390
- Condition: Failed
- Location: Nlg Actuator
- Part time: 5,271 hours
- Component: AIR864141
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX4054

## Discrepancy

PREMATURE FAILURE OF GLAND SEAL.  PART HAD 5,945 CSN ON 24,000 CYCLE OVERHAUL SCHEDULE.  PART WAS BUILT NEW 2Q97, MFG OF APPLIANCE AND SEAL HAS BEEN NOTIFIED.

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