# SDR HEEA0013994

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N131AE](https://openairdocs.org/aircraft/N131AE), registered now
- Make and model: Bolkms BO105S
- Aircraft serial: S787
- Engine: Allsn 250C20B
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Nozzle Shield
- Part number: 6890040
- Condition: Cracked
- Location: Nr 1
- Part time: 665 hours
- Component: 6898735
- 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/HEEA0013994

## Discrepancy

ENGINE REMOVED DUE TO TURBINE CYCLES.  UPON INSPECTION OF TURBINE PARTS NOTED:  CRACKED BEYOND SERVICEABLE LIMITS ON NR1 NOZZLE SHIELD INNER BAND AS MARKED AND CRACK AT POSITIONING LUGS AS MARKED.

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