# SDR DIN2001F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2001
- Submitted: July 19, 2001
- Operation: Air carrier
- Aircraft: N258G
- Make and model: Lear 35A
- Registry model: [Lear 35A](https://openairdocs.org/model/gates-learjet-35a) (OpenAirDocs)
- Aircraft serial: 443
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Check Valve
- Part number: 66002101
- Condition: Mislocated
- Location: Air Inlet
- Part time: 5,490 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DIN2001F00000

## Discrepancy

CHECK VALVES ON LEFT SIDE, RIGHT SIDE OF CABIN INSTALLED WITH HINGE NOT AT 12 OCLOCK POSITION.  RIGHT VALVE AT 5 OCLOCK, LEFT VALVE AT 2 OCLOCK.  FACTORY ORIGINAL TORQUE SEAL WITH INSPECTORS STAMP ON IT HAD NEVER BEEN BROKEN.  VALVES REMOVED AND INSPECTED AND REINSTALLED IN CORRECT POSITION.

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