# SDR UPS06446346

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2006
- Submitted: March 3, 2006
- Operation: Air carrier
- Aircraft: N522UP
- Make and model: Boeing 747-200
- Registry model: [Boeing 747-200](https://openairdocs.org/model/boeing-747-200) (OpenAirDocs)
- Aircraft serial: 21936
- Aircraft time: 72,217 hours, 16,929 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: 65B07941547
- Condition: Cracked
- Location: Nose W/W
- 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/UPS06446346

## Discrepancy

NOSE W/W TOP PANEL BS 265-280 LBL 20 STIFFENER RADIUS FOUND CRACK APPROX 3/4" LONG.  NOSE W/W TOP PANEL BS 265-280 LBL 20" STIFFENER REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 & 51-30-02.

---
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.