# SDR 2001UALA02450

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2001
- Submitted: January 2, 2002
- Operation: Air carrier
- Aircraft: N522UA
- Make and model: Boeing 757222
- Aircraft serial: 24931
- Aircraft time: 38,007 hours, 14,396 cycles
- Engine: Pwa PW2037
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crease Beam
- Part number: 143N552027
- Condition: Corroded
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001UALA02450

## Discrepancy

CORROSION ON THE LT CREASE BEAM INNER CHORD P/N 143N5520-27 AT BODY STATION 758 LBL 64 STRINGER 17L.  MAJOR REPAIR ACCOMPLISHED.  REMOVED COMPLETE SECTION OF CREASE BEAM INNER CHORD AND INSTALLED NEW SECTION.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.