# SDR 95ZZZX3593

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N399CF
- Make and model: Cndair CL6013A
- Aircraft serial: 5084
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Auxiliary Power
- Part number: GTCP100E
- Condition: Failed
- Location: Tail Compt
- Part time: 1,450 hours
- Component: Garrtt
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZX3593

## Discrepancy

POPPING SOUND HEARD WHEN APU LOAD CONTROL VALVE OPENED ON FIRST START OF DAY.  INSPECTED/FOUND TURBINE NOZZLE BLADE TIPS MISSING MATERIAL.  REMOVED APU, INSTALLED LOANER UNIT.  TT 1,450 HRS.  TSO 1,215 HRS.  CSN 1,146.

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