# SDR A9JA202107090001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2021
- Submitted: July 9, 2021
- Operation: Air carrier
- Aircraft: [N90VJ](https://openairdocs.org/aircraft/N90VJ), registered now
- Make and model: Lear 31A
- Registry model: [Lear 31A](https://openairdocs.org/model/learjet-31a) (OpenAirDocs)
- Aircraft serial: 237
- Aircraft time: 3,010 hours, 2,870 cycles
- System (JASC): [3244 · Tire](https://openairdocs.org/jasc/3244)
- Part: Tire
- Part number: 178K235
- Part serial: 71422523
- Condition: Bulged
- Location: Mlg
- Part time: 177 hours, 157 cycles
- Stage of operation: LD
- How discovered: V
- Nature of condition: G
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/A9JA202107090001

## Discrepancy

LARGE TIRE BULGE SEPARATION BETWEEN THE RIBS APPROXIMATELY 4-5" DID NOT BLOW OUT BUT WAS UNSAFE ONCE FOUND. FAILURE DID NOT CAUSE ANY DAMAGE TO OTHER COMPONENTS

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