# SDR IPXA1B70282

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2011
- Submitted: November 9, 2011
- Operation: Air carrier
- Aircraft: [N574UP](https://openairdocs.org/aircraft/N574UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35663
- System (JASC): [2782 · Leading Edge Slat Actuator](https://openairdocs.org/jasc/2782)
- Part: Pdu
- Part number: 1267629
- Part serial: 12700
- Condition: Inoperative
- Location: Le Flaps
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA1B70282

## Discrepancy

AFTER SELECTING FLAPS 1, GOT EICAS MESSAGE FLAPS PRIMARY FOLLOWED BY FLAP DRIVE. RT INBD L/E FLAP NOT IN COMMANDED POSITION.  PERFORMED QRH PROCEDURE AND LANDED UNEVENTFULLY.   R & R L/E NR 4 FLAP UNIT IAW AMM 27-81-03-2, REV 72, JUL 15/2011. OPS AND LEAK CHECKED SATIS. PDU NR4, 4R.

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