# SDR UPS99229282

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N925UP](https://openairdocs.org/aircraft/N925UP), registered now
- Make and model: Boeing 727-31C
- Registry model: [Boeing 727-31C](https://openairdocs.org/model/boeing-727-31c) (OpenAirDocs)
- Aircraft serial: 19230
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corroded
- Location: Bs 780
- 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/UPS99229282

## Discrepancy

INSPECTION TYPE:SI CORROSION (C53-224-01.00-02) MAIN DECK FRAME OUTBOARD TOP SURFACE BS 780 STR 8R-STR1.  FOUND CORROSION OUT OF LIMITS PER SRM 53-10-01 BETWEEN STRINGERS 4 AND 5.  REMOVED DAMAGED AREA AND INSTALLED STANDARD FRAME REPAIR PER SRM 53-10-4 PG 9 AND SRM 53-10-4 FIG 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.