# SDR U5QA2020012740095

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2020
- Submitted: January 27, 2020
- Operation: Air carrier
- Aircraft: [N405DC](https://openairdocs.org/aircraft/N405DC), registered now
- Make and model: Lear 60LEAR
- Aircraft serial: 60064
- Aircraft time: 11,496 hours, 7,619 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Mixing Valve
- Part number: 1H1069
- Part serial: 8AT44
- Condition: Malfunctioned
- Location: Bleed System
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/U5QA2020012740095

## Discrepancy

STRONG BURNING SMELL AFTER TAKEOFF IN THE COCKPIT & CABIN.  MX C/A: R&R LH ENGINE MIXING BLEED AIR VALVE WITH SERVICEABLE UNIT PER LEARJET 60 AMM 36-10-02.  OPS CHECK AND LEAK CHECK NORMAL.

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