# SDR 95ZZZX936

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N51RW](https://openairdocs.org/aircraft/N51RW), registered now
- Make and model: Cessna 421B
- Registry model: [Cessna 421B](https://openairdocs.org/model/cessna-421b) (OpenAirDocs)
- Aircraft serial: 421B0900
- System (JASC): [3231 · Landing Gear Door Retract Section](https://openairdocs.org/jasc/3231)
- Part: Idler Bellcrank
- Part number: 08411066
- Condition: Broken
- Location: Inbd Rt Mlg Dr
- Part time: 4,576 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/95ZZZX936

## Discrepancy

POST-FLIGHT INSPECTION REVEALED INBOARD RIGHT MLG DOOR NOT RETRACTED.  NOTED IDLER BELLCRANK BROKEN IN TWO.  SUSPECT CRACK WAS DUE TO METAL FATIGUE FROM THE TENSION ON THE LINKAGE AND VIBRATION.  INSPECTION OF GEAR REVEALED NO OTHER DEFECTS.

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