# SDR 2016FA0000016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2015
- Submitted: January 11, 2016
- Operation: General aviation
- Aircraft: [N717HB](https://openairdocs.org/aircraft/N717HB), registered now
- Make and model: Lear 55C
- Registry model: [Lear 55C](https://openairdocs.org/model/gates-learjet-55c) (OpenAirDocs)
- Aircraft serial: 066
- Aircraft time: 13,055 hours
- System (JASC): [3222 · Nose/Tail Landing Gear Strut/Axle](https://openairdocs.org/jasc/3222)
- Part: Strut
- Condition: Leaking
- Location: Nlg
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2016FA0000016

## Discrepancy

UPON REACHING CRUISE ALTITUDE, THE GEAR UNSAFE INDICATOR ILLUMINATED.  UPON INSPECTION OF THE NLG IT, WAS DISCOVERED THAT THE NITROGEN/FLUID DEPLETED THE PISTON ENOUGH TO CAUSE A SLIGHT MISALIGNMENT IN THE NOSE WHEEL WELL, CAUSING AN UNSAFE INDICATION IN THE FLIGHT DECK.

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