# SDR ALG2005F00009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2004
- Submitted: February 4, 2005
- Operation: Air carrier
- Aircraft: [N518AL](https://openairdocs.org/aircraft/N518AL), registered now
- Make and model: Skrsky S76A
- Aircraft serial: 760134
- Engine: Allsn 250C30S
- System (JASC): [2213 · Flight Controller](https://openairdocs.org/jasc/2213)
- Part: Amplifier
- Condition: Smoke
- Location: Afcs
- Stage of operation: AP
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALG2005F00009

## Discrepancy

LANDING, ON DOWN WIND APPROACH SMELLED ODOR, ON FINAL THE ODOR BECAME STRONGER, ON LANDING SMOKE CAME FROM OVERHEAD CIRCUIT BREAKER PANEL AREA.  THE NR 2 PITCH AMP BREAKER POPPED.  MAINTENANCE PULLED OVERHEAD AND AFCS CIRCUIT BREAKER PANEL, FOUND NO EVIDENCE OF FIRE.  TRACED WIRE BACK TO THE NR 2 AFCS AMP ASSY.  REMOVED NR 2 AFCS AMP AND FOUND EVIDENCE OF THE NR 2 AMP HAD SMOKED.  REINSTALLED CABIN AND PILOT OVERHEAD TRIM AND THE AFCS CIRCUIT BREAKER PANEL, CARRIED THE NR 2 PITCH AMP TO HARDCOVER (MEL) AND RETURNED AIRCRAFT TO SERVICE. (K)

---
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.