# SDR UIEA200700261

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2007
- Submitted: July 12, 2007
- Operation: Air carrier
- Aircraft: [N499MC](https://openairdocs.org/aircraft/N499MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29260
- Aircraft time: 30,819 hours, 5,182 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Ball Screw
- Part number: 5700824
- Part serial: 369A
- Condition: Worn
- Location: Flap Drive
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA200700261

## Discrepancy

FLAP DRIVE MESSAGE.  OUTBOARDS AT 30 INBOARDS 25.  LE ALL GREEN.  RT INBOARD FLAPS INDICATES EXTENDED MORE THAN LEFT INBOARDS.  FOUND NR 4, 5 AND 6 JACKSCREWS/BALLSCREWS HAD PLAY AND WERE WORN REMOVED AND REPLACED ALL 3 UNITS OPS CHECKED OKAY.

---
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.