# SDR 99ZZZX3856

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N5074R
- Make and model: Hughes 369D
- Aircraft serial: 1151D
- Engine: Allsn 250C20B
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 23053176
- Condition: Inoperative
- Location: Engine
- Part time: 104 hours
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX3856

## Discrepancy

DURING THROTTLE ROLL-ON DURING POWER RECOVERY FROM PRACTICE AUTOROTATION, THE PILOT EXPERIENCED A COMPRESSOR STALL.  REPLACED BLEED VALVE.

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