# SDR 2007FA0000827

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2007
- Submitted: September 25, 2007
- Operation: General aviation
- Aircraft: N858MK
- Make and model: Lear 45LEAR
- Aircraft serial: 141
- Engine: Garrtt TFE731*
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Manifold
- Part number: 4536102150V431
- Condition: Damaged
- Location: Lt Engine
- Part time: 2,402 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007FA0000827

## Discrepancy

LT PYLON OVERHEAT INDICATION OCCURRED IN FLIGHT.  FOUND HIGH PRESSURE BLEED AIR MANIFOLD MATING FLANGE DEFORMED.  REPLACED ASSY 4536102150V43-1 WITH NAV ASSY 45361020228-001.  CAUSE MAY BE AGE OR REPEATED CLAMPING.  ORIGINAL PART HAS BEEN SUPERSEDED BY THE MFG.  (K)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.