# SDR UPS04443499

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2004
- Submitted: November 17, 2004
- Operation: Air carrier
- Aircraft: N521UP
- Make and model: Boeing 747-200
- Registry model: [Boeing 747-200](https://openairdocs.org/model/boeing-747-200) (OpenAirDocs)
- Aircraft serial: 21944
- Aircraft time: 73,613 hours, 17,591 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Panel
- Part number: 144U00313
- Condition: Cracked
- Location: Lt Wing
- 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/UPS04443499

## Discrepancy

INSPECTION TYPE:C, LT WLG W/W FWD CANTED BULKHEAD LOWER AREA CRACKED AT STA 1241, LBL 94 AS MARKED (CLOSEOUT PANEL).  CANTED BULKHEAD LT CLOSEOUT PANEL REPLACED AS PER UPS EO B747-5310-2758-E APPENDIX E.

---
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.