# SDR UXCR200400002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2004
- Submitted: August 26, 2004
- Operation: General aviation
- Aircraft: N4128K
- Make and model: Piper PA 46-350P
- Registry model: [Piper PA 46-350P](https://openairdocs.org/model/piper-pa-46-350p) (OpenAirDocs)
- Aircraft serial: 4636178
- Aircraft time: 874 hours
- Engine: Lyc TIO540AE2A
- Engine time: 874 hours
- Propeller: Hartzl HCI3YR2
- System (JASC): [1410 · Hoses and Tubes](https://openairdocs.org/jasc/1410)
- Part: Hose
- Part number: LW18724
- Condition: Flaking
- Location: Fuel System
- Part time: 874 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UXCR200400002

## Discrepancy

DURING CLIMB TO ALTITUDE, THE ENGINE EXHIBITED A ROUGH RUNNING CONDITION THAT NECESSITATED A REDUCTION IN POWER REQUIRING AN UNSCHEDULED LANDING. INSPECTION OF THE ENGINE FUEL INJECTION SYSTEM REVEALED TWO OBSTRUCTED INJECTOR NOZZLES (NR 2 AND NR 4 CYLINDERS).  UPON FURTHER INSPECTION, IT WAS DETERMINED THE UPPER DECK AIR MANIFOLD HOSES WERE FLAKING MATERIAL FROM THE INTERNAL WALL SURFACE SUFFICIENT IN SIZE TO OBSTRUCT THE INJECTOR ORIFICE.

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