# SDR CA951212007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- System (JASC): [3213 · Main Landing Gear Strut/Axle/Truck](https://openairdocs.org/jasc/3213)
- Part: O-Ring
- Part number: 08412121
- Condition: Worn
- Location: Mlg Strut
- Part time: 4,147 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA951212007

## Discrepancy

(CAN)WHILE COMPLYING WITH AD 90-02-13, THE L/H AND R/H PIN SUPPORT RINGS (SEAL SUPPORTS) WERE REMOVED AND FOUND TO HAVE RIPPED AND MISSING PHENOLIC TAPE ON THE INNER SURFACE. FOUR NEW PIN SUPPORT RINGS WER E INSTALLED IN BOTH GEAR.

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