# SDR TRBA2005063

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2005
- Submitted: October 3, 2005
- Operation: Air carrier
- Aircraft: [N448AM](https://openairdocs.org/aircraft/N448AM), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 448
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Autofeather Sys
- Part number: 30048000018
- Part serial: MM1727
- Condition: Inoperative
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TRBA2005063

## Discrepancy

AUTOMATIC TAKEOFF POWER CONTROL SYSTEM (ATPCS) DID NOT ARM DURING TAKEOFF POWER.  REPLACED AUTO FEATHERING UNIT.  (K)

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