# SDR DXTA2024102200899

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2024
- Submitted: October 22, 2024
- Operation: Air carrier
- Aircraft: [N428QS](https://openairdocs.org/aircraft/N428QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500485
- Aircraft time: 5,232 hours, 4,078 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Drive Unit
- Part number: 4677001003
- Part serial: 0263
- Condition: Defective
- Location: Te Flaps
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2024102200899

## Discrepancy

FLAP FAIL YELLOW CAS: FLAP FAIL YELLOW CAS DISPLAYED ON APPROACH AFTER SELECTING FLAPS 1 AT APPROXIMATELY 160KIAS. FLAPS FAILED AT THE "0" POSITION. REPEAT WRITE UP. CORRECTIVE ACTION; REPLACE SUSPECT FAULTY FLAP PDU IAW PHENOM 300 MM 27-51-07. REPLACED SUSPECT FAULTY LH FLAP POSITION SENSOR P/N 457310-1001 S/N 1067 IAW PHENOM 300 MM 27-53-03. REPLACED SUSPECT FAULTY RH FLAP POSITION SENSOR P/N 457310-1001 S/N 1068. PERFORMED FLAP SYSTEM RIGGING PROCEDURE REF PHENOM 300 MM 27-50-00. OPS CHECK GOOD, NO DEFECTS NOTED.

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