# SDR 2009FA0000033

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2009
- Submitted: January 28, 2009
- Operation: General aviation
- Aircraft: [N81HR](https://openairdocs.org/aircraft/N81HR), registered now
- Make and model: Raythn 390
- Aircraft serial: RB200
- Aircraft time: 256 hours, 199 cycles
- Engine: Wilint FJ442A
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Fcu
- Part number: 3903814010013
- Part serial: K0279
- Condition: Malfunctioned
- Location: Te Flaps
- Stage of operation: TX
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2009FA0000033

## Discrepancy

PILOT REPORTED FLAPS WOULD NOT RETRACT AFTER LANDING. TROUBLESHOT SYS IAW THE MM 27-50-00-101 AND HBC TECH SUPPORT RECOMMENDATIONS. RECEIVED NUMEROUS FAULT CODES NOT FOUND IN TROUBLESHOOTING MATRIX. REPLACED FLAP CONTROL UNIT WITH REPAIRED FLAP CONTROL UNIT IAW THE MM 27-50-08-401. FLAP CONTROL SYS OPS NORMAL. RECOMMEND AIRFRAME AND FLAP CONTROL UNIT MFG INVESTIGATE RAC/HBC 390 FLEET FLAP CONTROL UNIT SYS FAILURES FOR EXCESSIVE FAILURE RATE AND INVESTIGATE FURTHER IF WARRANTED.

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