# SDR MALA000655

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2000
- Submitted: November 9, 2000
- Operation: Air carrier
- Aircraft: N438XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 438
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Indicator
- Part number: 522781
- Part serial: 05860182038825
- Condition: Fluctuates
- Location: Lt Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA000655

## Discrepancy

WHEN CLIMBING RPM WAS SELECTED AFTER TAKEOFF, THE LT ENGINE RPM FLUCTUATED 180 - 200 RPM AND LEFT TORQUE FLUCTUATED 3 - 5 PERCENT.  ALL OTHER  ENGINE OPERATIONS NORMAL.  LOCKOUT WAS SELECTED AND ALL FLUCTUATIONS STOPPED.  MAINTENANCE CLEANED AND RESECURED PCU CANNON PLUG.  REPLACED SERVICEABLE FUEL USED INDICTATOR P/N 522781, S/N/OFF 05860182, SN/ON 03881530.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.