# SDR 99ZZZX98

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N2JA](https://openairdocs.org/aircraft/N2JA), registered now
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C0154
- System (JASC): [3222 · Nose/Tail Landing Gear Strut/Axle](https://openairdocs.org/jasc/3222)
- Part: Washer
- Part number: 50450182
- Condition: Sheared
- Location: Lt Mlg
- Part time: 4,295 hours
- Component: 51411011
- Stage of operation: LD
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX98

## Discrepancy

AIRCRAFT LANDED ON RUNWAY 1 WITH WIND FROM THE NW AT 18 TO 23 KNOTS.  AT TOUCH-DOWN, LT MAIN GEAR ROTATED 90 DEGREES AND SKIDDED UNTIL ACFT STOPPED NEAR LT SIDE OF RUNWAY.  BOLT AN175-20, BUSHING 5041013-1, NUT AN310-5, AND WASHERS WERE STILL ATTACHED TO UPPER LINK ASSY, P/N 5141005-7.  WASHER, P/N 5045018-2, HAD SHEARED THE OUTER PORTION AND ALLOWED NUT, P/N AN310-5, TO PULL THROUGH LOWER LINK ASSY, P/N 5141005-7, LETTING LOWER STRUT/WHEEL TO TURN 90 DEGREES.  WASHER, P/N 5045018-2, DID APPEAR TO HAVE PRIOR WEAR.  SUBMITTER SUSPECTS POOR PRE-FLIGHT INSP, LANDING TECHNIQUE, AND/OR LACK OF PROPER MAIN.

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