# SDR TRBA2005059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2005
- Submitted: October 3, 2005
- Operation: Air carrier
- Aircraft: N541AT
- Make and model: Aerosp ATR 72-212A
- Registry model: [Aerosp ATR 72-212A](https://openairdocs.org/model/aerospatiale-atr-72-212a) (OpenAirDocs)
- Aircraft serial: 541
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Autofeather Sys
- Condition: Malfunctioned
- 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/TRBA2005059

## Discrepancy

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

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