# SDR UPS05445169

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2005
- Submitted: August 12, 2005
- Operation: Air carrier
- Aircraft: N683UP
- Make and model: Boeing 747121
- Aircraft serial: 20353
- Aircraft time: 87,225 hours, 21,374 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 65B017426
- Condition: Cracked
- Location: M/D
- 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/UPS05445169

## Discrepancy

M/D BS 980 BETWEEN S20-22R FRAME FWD FACE FOUND CRACK, CRACK LENGTH 0.5" AND 0.75".  M/DECK BS 980 BTWEEN STR 20-22R FRAME REPAIRED AS PER HX RS R53-22-35344 AND UPS EO.B747-5310-22630-A.

---
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.
