# SDR UIEA200700138

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2007
- Submitted: March 21, 2007
- Operation: Air carrier
- Aircraft: [N492MC](https://openairdocs.org/aircraft/N492MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29253
- Aircraft time: 35,979 hours, 7,096 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Pdu
- Condition: Damaged
- Location: Flap
- Component: Flap
- Component part number: 1267481
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA200700138

## Discrepancy

EICAS "FLAP DRIVE" LEFT MID LEADING EDGE DID NOT RETRACT, THEN MID AND INBOARD LEADING EDGE DID NOT EXTEND.  REMOVED AND REPLACED NR 3 LEFT LEADING EDGE PDU AS PER MM 27-81-03.  GROUND OPERATION NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.