# SDR 29GA2019072600002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2019
- Submitted: July 29, 2019
- Operation: Air carrier
- Aircraft: N328AG
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B428
- Aircraft time: 37,890 hours, 42,457 cycles
- Engine: Ge CT79B
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Pcu
- Part number: 8210163
- Part serial: 2243798
- Condition: Failed
- Location: Lt Propeller
- Stage of operation: CR
- How discovered: O
- Nature of condition: R
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/29GA2019072600002

## Discrepancy

SUPPLEMENTAL FLIGHT# 0117 FPO/FLL REPORT: LEFT PROP RPM FLUCTUATED FROM 1230 RPM TO 750 RPM ON LEVEL FLIGHT. CORRECTIVE ACTION: REMOVED & REPLACED LT ENGINE PCU IAW AMM 61-20-05-04.

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