# SDR TRBA2006014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2006
- Submitted: February 28, 2006
- Operation: Air carrier
- Aircraft: [N407AT](https://openairdocs.org/aircraft/N407AT), 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: 407
- Engine: Pwa PW127
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Valve
- Part number: BHC10001
- Part serial: 298
- Condition: Defective
- Location: Lt Wing
- Component: Flt Cntrl Sys, Curtis
- Stage of operation: TO
- How discovered: V
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TRBA2006014

## Discrepancy

DURING TAKEOFF, FLAPS EXTENSION FLAG WARNING WAS ON AND OFF.  VISUALLY CONFIRMED FLAPS MOVING.  FLAPS SELECTED TO 0 POSITION AND RETURNED TO AIRPORT WITH A NORMAL LANDING.  MAINTENANCE PERSONNEL REPLACED FLAP BLOCK VALVE IAW MM.  OPERATIONAL CHECK FOUND SYSTEM WORKING PROPERLY.  (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.