# SDR 2018FA0000376

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2018
- Submitted: September 17, 2018
- Operation: General aviation
- Aircraft: [N135A](https://openairdocs.org/aircraft/N135A), registered now
- Make and model: Beech C90A
- Registry model: [Beech C90A](https://openairdocs.org/model/beech-c90a) (OpenAirDocs)
- Aircraft serial: LJ1112
- Aircraft time: 8,481 hours, 8,437 cycles
- Engine: Pwa PT6A135A
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Part number: 1005540441
- Condition: Separated
- Location: Zone 100
- Part time: 8,481 hours, 8,437 cycles
- Stage of operation: CR
- 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/2018FA0000376

## Discrepancy

WEAK PRESSURIZATION. DUCT WELD SEAM SEPARATION.

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