# SDR UPS04443314

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2004
- Submitted: October 8, 2004
- Operation: Air carrier
- Aircraft: N681UP
- Make and model: Boeing 747121
- Aircraft serial: 19661
- Aircraft time: 104,265 hours, 26,546 cycles
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Spar
- Condition: Cracked
- Location: Nr 3 Pylon
- 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/UPS04443314

## Discrepancy

INSPECTION TYPE:C, NR 3 PYLON NAC STA 222 AFT LOWER SPAR WEB I/B SIDE CRACK IS FOUND AS MARK.  NR 3 PYLON NAC STA 222 I/B SIDE AFT LOWER SPAR WEB REPAIRED AS PER SRM 54-10-03 FIG 23.

---
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.
