# SDR IPXA2018073032195

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2018
- Submitted: July 30, 2018
- Operation: Air carrier
- Aircraft: [N447UP](https://openairdocs.org/aircraft/N447UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 27736
- Aircraft time: 28,718 hours, 16,384 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Fseu
- Condition: Inoperative
- Location: Te Flap
- Stage of operation: IN
- 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/IPXA2018073032195

## Discrepancy

ON ARRIVAL INTO BFI WHILE EXTENDING FLAPS TO 1, THE TE FLAP DISAGREE LT AND MSG ILLUMINATED. THE QRH PROCEDURE WAS USED AND FLAPS WERE EXTENDED TO 20 W/ ALTERNATE SYSTEM FOR LANDING. NR 2 FSEU FAULTED ON LAST FLIGHT, DID NOT DETECT MOTION PER BITE. REPLACED NR 2 FSEU PER AMM 27-51-01-201. OPERATED FLAPS NO ISSUES.

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