# SDR UPS07449151

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2007
- Submitted: February 9, 2007
- Operation: Air carrier
- Aircraft: N672UP
- Make and model: Boeing 747123
- Aircraft serial: 20324
- Aircraft time: 76,834 hours, 22,085 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Bs 2177 S28r
- 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/UPS07449151

## Discrepancy

INSPECTION TYPE:C AFT OF BULK CARGO COMPT - FX STRINGER FOUND CRACK AT BS 2177 STR 28 RIGHT AS MARKED.  CRACK LENGTH 1.25 INCH.  AFT OF BULK CARGO COMPT FX STRINGER S28R AT BS 2177 AREA REPAIRED AS PER RS R53-62-35735 AND UPS ENGINEERING FILE NR 747-53-20377.

---
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.