# SDR 2007FA0000703

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2007
- Submitted: August 6, 2007
- Operation: General aviation
- Aircraft: N621RB
- Make and model: Lear 35A
- Registry model: [Lear 35A](https://openairdocs.org/model/gates-learjet-35a) (OpenAirDocs)
- Aircraft serial: 211
- Engine: Garrtt TFE731*
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Static Line
- Condition: Misinstalled
- Location: Cockpit
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007FA0000703

## Discrepancy

THIS RVSM AIRCRAFT HAD AN ALTIMETRY SYSTEM SPLIT. CONTACTED STC GROUP HOLDER FOR PROPER ROUTING OF STATIC SYSTEM PLUMBING. FOUND CO-PILOTS STATIC SYSTEM INSTALLATION WAS NOT CROSS-COUPLED WITH PILOTS SYSTEM. INSTALLED FABRICATED HOSES TO THE CO-PILOTS SYSTEM TO MEET THE INTENT OF STC NR ST00563DE-D IAW MASTER DOCUMENT LIST.  CO-PILOTS STATIC SYSTEM NOT INSTALLED CORRECTLY AT STC INSTALLATION OR SYSTEMS HAVE BEEN ALTERED/MODIFIED POST-STC AND DID NOT FOLLOW APPROVED DRAWINGS.

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