# SDR AWKA722618

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2010
- Submitted: June 21, 2010
- Operation: Air carrier
- Aircraft: N722XJ
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500222
- Aircraft time: 5,471 hours, 2,984 cycles
- System (JASC): [3222 · Nose/Tail Landing Gear Strut/Axle](https://openairdocs.org/jasc/3222)
- Part: Strut
- Part number: 67421605
- Part serial: 007
- Condition: Malfunctioned
- Location: Nlg
- Part time: 5,471 hours, 2,984 cycles
- Stage of operation: CR
- 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/AWKA722618

## Discrepancy

IN CRUISE, FL430, FLIGHT CREW RECEIVED MLG UNLOCK INDICATION FOLLOWED BY A MECHANICAL THUMP IN VICINITY OF NLG.  CREW REVIEWED ABNORMAL CHECKLIST & FOUND NOTHING REGARDING UNLOCK LIGHT. NO ABNORMAL WIND NOISE OR VIBRATIONS FELT. IN-ROUTE, CREW ATTEMPTED TO TROUBLESHOOT WITH COMPANY PERSONNEL.  CONDITION REMAINED. DECISION TO DIVERT MADE. DURING DECENT AT APPROX 14,000 FT, CREW FELT & HEARD MLG UPLOCKS ENGAGE & UNLOCK LIGHT EXTINGUISHED. SUBSEQUENT GEAR EXTENSION & LANDING NORMAL.  MX INSPECTED ACFT & NOTED NLG STRUT OVER EXTENDING .10  BEYOND SPECS. NLG STRUT REPACKED & ALL RIGGING CHECKED. NLG DOOR HINGE HARDWARE REPLACED WITH NEW. OPS CHECKS OF MLG SYS PERFORMED & NO DEFECTS NOTED. ACFT RETURNED TO SERVICE.

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