# SDR UPS98426585

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N522UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21936
- System (JASC): [5400 · Nacelle/Pylon Structure](https://openairdocs.org/jasc/5400)
- Part: Doubler
- Condition: Misrepaired
- Location: Nr 3 Pylon
- Stage of operation: IN
- How discovered: V
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS98426585

## Discrepancy

INSPECTION TYPE-N/A, PREVIOUS DOUBLER REPAIR ON PYLON NR 3 LT SIDE FOUND INSTALLED ON THE AREA WHERE IT WILL INTERFERE WITH THE INSTALLATION OF NEW DOULBLER PER SB-54-2034.  REMOVED PREVIOUS REPAIR, INSTALLED NEW REPAIR PER SB 54-2034.

---
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.