# SDR UPS07450548

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2007
- Submitted: August 31, 2007
- Operation: Air carrier
- Aircraft: N521UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21944
- Aircraft time: 79,715 hours, 18,925 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Spar
- Part number: 65B085323
- Condition: Cracked
- Location: Lt Wing Te Flap
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS07450548

## Discrepancy

INSPECTION TYPE:C LHW O/B MID FLAP REAR SPAR O/B UPPER CHORD FOUND CRACKED, CRACK LENGTH 18" APPROX.  LHW O/B MID FLAP REAR SPAR O/B UPPER CHORD BETWEEN WBL 801 TO MOST O/B AREA REPAIRED AS PER HX RS NR R57-58-35853 AND UPS ENGINEERING FILE NR 747-57-20148.

---
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.