# SDR UPS402747

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N676UP](https://openairdocs.org/aircraft/N676UP), registered now
- Make and model: Boeing 747123F
- Aircraft serial: 20101
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Rib
- Condition: Cracked
- Location: Nac Sta 163
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS402747

## Discrepancy

WHILE IN AMSTERDAM FOR 'C' CHECK MAINTENANCE FOUND NR 4 PYLON RIB CRACKED AT NAC STA 163 O/B SIDE.  REPLACED RIB PER SRM 51-30-2.

---
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.