# SDR UPS05443799

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2005
- Submitted: January 28, 2005
- Operation: Air carrier
- Aircraft: [N675UP](https://openairdocs.org/aircraft/N675UP), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20390
- Aircraft time: 74,557 hours, 21,365 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Condition: Cracked
- Location: Fuselage
- 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/UPS05443799

## Discrepancy

INSPECTION TYPE:C, LEFT BLG WHEEL WELL AFT BULKHEAD STA 1480 APU DUCT PASSING HOLE CUTOUT SUSPECT CRACKED AT 10:30 POSITION AS MARKED.  LEFT BS 1480 BULKHEAD WEB APU DUCT CUTOUT REPAIR CARRIED OUT AS PER EO B747-5310-C APPENDIX B FIG 4 AND DWG 144U2602.

---
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.