# SDR P5CA2018102200326

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 2018
- Submitted: October 22, 2018
- Operation: Air carrier
- Aircraft: [N487MC](https://openairdocs.org/aircraft/N487MC), registered now
- Make and model: Boeing 747-45EF
- Registry model: [Boeing 747-45EF](https://openairdocs.org/model/boeing-747-45ef) (OpenAirDocs)
- Aircraft serial: 30609
- Aircraft time: 76,392 hours, 14,286 cycles
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Pdu
- Part number: 1267629
- Part serial: 11659
- Condition: Malfunctioned
- Location: Le Flap
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2018102200326

## Discrepancy

FLAPS PRIMARY AND FLAPS DRIVE EICAS DURING FLAP EXTENSION.(<P>FLIGHT CREW REPORTED THAT LEFT INBOARD LEADING EDGE FLAP GROUP DID NOT EXTEND.  CMC INDICATED  LEADING EDGE FLAP DRIVE PDU L4 FAULTED.  REPLACED PDU L4 AND ALL OPS CHECKS SATISFACTORY.<BR /></P>)

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