# SDR 20000427SH027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2000
- Submitted: April 27, 2000
- Operation: General aviation
- Aircraft: N60RR
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C0885
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Cracked
- Location: Lt Wing
- Part time: 6,547 hours
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20000427SH027

## Discrepancy

A CRACK  INDICATION WAS NOTED IN THE LT FORWARD UPPER WING SPAR.  THE CRACK INDICATION IS ABOVE THE OUTBOARD HI-LOK AND RUNS SPANWISE.  THE INDICATION IS .765 INCH PLUS/MINUS LONG AND IS .3401 PLUS/MINUS ABOVE THE HI-LOK.  INSPECTION WAS PERFORMED PER AD 91-25-08R1.  (X)

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